Seth Benjamin Green (né Gesshel-Green; born February 8, 1974) is an American actor. His film debut came with a role in the comedy-drama film The Hotel New Hampshire (1984), and he went on to have supporting roles in comedy films throughout the 1980s, including Radio Days (1987) and Big Business (1988).
During the 1990s and 2000s, Green began starring in comedy films such as Idle Hands (1999), Rat Race (2001), Without a Paddle (2004), and Be Cool (2005). He also became known for his portrayal of Scott Evil, Dr. Evil's son, in the Austin Powers film series (1997–2002). Green has also taken serious roles in films, including The Attic Expeditions (2001) and Party Monster (2003). He has provided the voice for Howard the Duck in a number of Marvel Cinematic Universe films and series, including Guardians of the Galaxy (2014), Guardians of the Galaxy Vol. 2 (2017), and Guardians of the Galaxy Vol. 3 (2023) and in the animated series What If...? (2021–present). In 2019, he wrote, directed, and starred in the comedy-drama film Changeland.
Green's first lead role on television was on the ABC sitcom Good & Evil in 1991, for which he won a Young Artist Award. Green later gained attention for his supporting roles as Oz, a teenage guitarist and the boyfriend of Willow Rosenberg, on the fantasy television series Buffy the Vampire Slayer (1997–2000), and as the voice of Chris Griffin on the Fox adult animated comedy series Family Guy (1999–present). He also voiced Leonardo in the Nickelodeon animated series Teenage Mutant Ninja Turtles (2014–2017) and the Joker in the Mass Effect video game series (2007–2012). Green created, directed, wrote, and produced the adult animated comedy series Robot Chicken and its spinoffs (2005–present), which have earned him three Primetime Emmy Awards and five Annie Awards.
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Known For
The Floaters
Daniel
2025
The Great Kamino Kaper
Bail Organa / C-3P0 / Plo Koon / Count Dooku
2024
Little Death
David
2024
Hanky Panky
Harry the Evil Hat
2023
Albert Pyun: King of Cult Movies
Self
2023
Guardians of the Galaxy Vol. 3
Howard the Duck (voice)
2023
A Disturbance in the Force: How the Star Wars Holiday Special Happened
Self
2023
Weird: The Al Yankovic Story
Radio DJ (voice)
2022
Dirty Daddy: The Bob Saget Tribute
Self
2022
Black Friday
Dour Dennis (voice)
2021
Scooby-Doo, Where Are You Now!
Self - Actor, "Scooby-Doo 2: Monsters Unleashed"
2021
Pennywise: The Story of ‘It’
Himself
2021
Monty Python's Best Bits Celebrated
Self
2021
aTypical Wednesday
Patrick
2020
Celebrating Marvel's Stan Lee
Self
2019
Animation Outlaws
Himself
2019
Changeland
Brandon
2019
Godzilla: King of the Monsters
Fighter Pilot (uncredited)
2019
Shazam!
Friend (uncredited)
2019
American Typecast
Pete
2019
Wolfman's Got Nards
Self
2018
Comedy Central Roast of Bruce Willis
Self - Audience Member (uncredited)
2018
Dear Dictator
Dr. Charles Seaver
2018
A Futile and Stupid Gesture
Christopher Guest
2018
The Robot Chicken Walking Dead Special: Look Who's Walking
The Nerd / Lennie Small / Snoopy / Museum Guide / Walker (voice)
2017
Guardians of the Galaxy Vol. 2
Howard the Duck (voice)
2017
Tales of the Teenage Mutant Ninja Turtles: Super Shredder
Leonardo (voice)
2017
The Lego Batman Movie
King Kong (voice)
2017
Holidays
Pete (segment "Christmas")
2016
Ice Age: The Great Egg-Scapade
Squint (voice)
2016
The Robot Chicken Christmas Special: The X-Mas United
The Nerd / Santa Claus / Rudolph / Hermey the Elf (voice)
2015
TV's Funniest Animated Stars: A Paley Center for Media Special
Self
2015
Krampus
Lumpy
2015
Half-Shell Heroes: Blast to the Past
Leonardo (voice)
2015
Robot Chicken DC Comics Special III: Magical Friendship
The Nerd / Batman / Robin / Aquaman / Additional Voices (voice)
2015
Teenage Mutant Ninja Turtles: Pulverizer Power
Leonardo (voice)
2015
Teenage Mutant Ninja Turtles: Renegade Rampage
Leonardo (voice)
2015
Robot Chicken: Christmas Specials
Various (voice) (archive sound)
2014
Marvel: 75 Years, from Pulp to Pop!
Self
2014
Yellowbird
Yellowbird (voice)
2014
The Identical
Dino
2014
Out of Print
Self
2014
Guardians of the Galaxy
Howard the Duck (voice) (uncredited)
2014
Phineas and Ferb Save Summer
Monty Monogram / Additional Voices (voice)
2014
The Sheik
2014
Robot Chicken DC Comics Special II: Villains in Paradise
The Nerd / Batman / Robin / Scarecrow / Darkseid / Ace the Bathound / Toyman / Dr. Fate / Jimmy Olsen / Black Manta / Aquaman / Clayface / The Penguin / Killer Croc / Cyborg / Banehound / Various (voice)
2014
I Know That Voice
Self
2014
Born Again Virgin Christmas Special
Various (voice)
2013
Dear Mr. Watterson
Himself
2013
Übermansion
Sen. Burdick
2013
Sexy Evil Genius
Zachary Newman
2013
The Story of Luke
Zack
2013
Robot Chicken's ATM Christmas Special
Various (voice)
2012
Robot Chicken: DC Comics Special
The Nerd / Batman / Robin / Aquaman / The Penguin / Martian Manhunter / Toyman / Scarecrow / Gorilla Grodd / Little Cheese / Swamp Thing / Abin Sur / Ganthet / Green Arrow / Hawkman / Jimmy Olsen / Various (voice)
2012
Comedy Central Roast of Roseanne
Self
2012
Kingdom Come
Self
2012
'Weird Al' Yankovic: Alpocalypse
White Nerd #2
2011
Comic-Con Episode IV: A Fan's Hope
Self
2011
Mars Needs Moms
Milo (voice)
2011
Family Guy Presents: It's a Trap!
Chris Griffin as Luke Skywalker (voice)
2010
Robot Chicken: Star Wars Episode III
Obi-Wan Kenobi / IG-88 / Weequay / Prune Face / R5-D4 (voice)
2010
Industrial Light & Magic: Creating the Impossible
Self
2010
Brother's Justice
2010
Iron Man 2
Expo Fan (uncredited)
2010
His Name Was Jason: 30 Years of Friday the 13th
Self
2010
Family Guy Presents: Something, Something, Something, Dark Side
Chris Griffin as Luke Skywalker (voice)
2009
Dear Consumer (Robot Chicken's Full-Assed Christmas Special)
Loki / Tree / Jaden / Reindeer / Elf / Various (voice)
2009
Old Dogs
Ralph White
2009
Family Guy Presents: Stewie Kills Lois and Lois Kills Stewie
Chris Griffin (voice)
2009
Robot Chicken: Star Wars Episode II
The Nerd / Anakin Skywalker / Obi-Wan Kenobi / Bossk (voice)
2008
Sex Drive
Ezekiel
2008
Family Guy Presents: Blue Harvest
Chris Griffin as Luke Skywalker (voice)
2008
Robot Chicken's Half-Assed Christmas Special
Various (voice)
2007
Electric Apricot
Jonah the Taper
2007
Robot Chicken: Star Wars
The Nerd / Qui-Gon Jinn / Ponda Baba / Max Rebo (voice)
2007
The TV Set
Slut Wars Host (uncredited)
2007
The Secret Policeman's Ball: The Ball in the Hall
Self
2006
'Weird Al' Yankovic: White & Nerdy
Action Figure Collector
2006
Robot Chicken's Christmas Special
Various (voice)
2005
Family Guy Presents: Stewie Griffin: The Untold Story
Chris Griffin / Various Characters (voice)
2005
The Best Man
Murray
2005
Be Cool
Shotgun - Music Video Director (uncredited)
2005
Without a Paddle
Dan Mott
2004
Scooby-Doo 2: Monsters Unleashed
Patrick
2004
Party Monster
James St. James
2003
The Italian Job
Lyle
2003
Austin Powers in Goldmember
Scott Evil
2002
Making Rat Race
Himself
2002
A Very Special Family Guy Freakin' Christmas
Chris Griffin / Man #2 (voice)
2001
Knockaround Guys
Johnny Marbles
2001
Rat Race
Duane Cody
2001
America's Sweethearts
Danny Wax
2001
Playboy Mansion Parties Uncensored
Self
2001
The Trumpet of the Swan
Boyd (voice)
2001
Josie and the Pussycats
Travis - DuJour
2001
The Attic Expeditions
Douglas
2001
Austin Powers: The Spy Who Shagged Me
Scott Evil
1999
Idle Hands
Mick
1999
Stonebrook
Cornelius
1999
Batman Beyond: The Movie
Nelson Nash (voice)
1999
Canned Ham: The Dr. Evil Story
Scott Evil
1999
Enemy of the State
Selby (uncredited)
1998
Can't Hardly Wait
Kenny Fisher
1998
Austin Powers: International Man of Mystery
Scott Evil
1997
Boys Life 2
Homophobe 2
1997
To Gillian on Her 37th Birthday
Danny
1996
White Man's Burden
3rd Youth at Hot Dog Stand
1995
Notes from Underground
Punk Neighbor
1995
Nunzio's Second Cousin
Homophobe 3
1994
The Day My Parents Ran Away
Leo
1993
Ticks
Tyler Burns
1993
Videozone: The Making of "Arcade"
Himself
1993
Airborne
Wiley
1993
Arcade
Stilts
1993
The Double 0 Kid
Chip
1992
Buffy the Vampire Slayer
Vampire (uncredited)
1992
Pump Up the Volume
Joey
1990
My Stepmother Is an Alien
Fred Glass
1988
Big Business
Jason
1988
Can't Buy Me Love
Chuckie Miller
1987
Action Family
Danny
1987
Radio Days
Joe
1987
Willy/Milly
Malcolm
1986
I Want To Go Home
Tommy Sanders
1985
Charlie's Christmas Secret
Charlie
1984
The Hotel New Hampshire
Egg Berry
1984
A Billion for Boris
Benjamin "Ape-Face" Andrews
1984
The Highest Stakes
Woody Allen: A Documentary
Self
2011
Tardy Delivery
himself
Family Guy: And Then There Were Fewer
Chris Griffin (voice)
2010
Grace Period
Greg
Faster, Purple Worm! Kill! Kill!
Presto Changeling · (1 episode)
2023
Faster, Purple Worm! Kill! Kill!
Atticus MacMurder · (1 episode)
2023
That '90s Show
Mitch · (1 episode)
2023
Celebrity Jeopardy!
Self · (1 episode)
2022
What If...?
Howard the Duck (voice) · (5 episodes)
2021
Star Wars: The Bad Batch
Todo 360 (voice) · (2 episodes)
2021
Star Wars: The Bad Batch
Todo 360 / Villager #2 (voice) · (1 episode)
2021
Crossing Swords
Blinkerquartz (voice) · (10 episodes)
2020
DC's Stargirl
The Thunderbolt (voice) · (9 episodes)
2020
Love, Death & Robots
Private Folen (voice) · (1 episode)
2019
The Rookie
Jordan Neil · (1 episode)
2018
Bobcat Goldthwait's Misfits & Monsters
Noble Bartell · (1 episode)
2018
The Joel McHale Show with Joel McHale
Self - Special Guest · (1 episode)
2018
Mary + Jane
Toby · (1 episode)
2016
:DRYVRS
Shawn · (5 episodes)
2015
Crazy Ex-Girlfriend
Patrick · (1 episode)
2015
Supermansion
(44 episodes)
2015
Con Man
Casey Wingwall · (1 episode)
2015
Marvel's Guardians of the Galaxy
Howard the Duck (voice) · (2 episodes)
2015
Monty Python's Best Bits (Mostly)
Self · (1 episode)
2014
Star Wars Rebels
Captain Seevor (voice) · (1 episode)
2014
The Wil Wheaton Project
Self · (1 episode)
2014
Broad City
Jared · (2 episodes)
2014
@midnight with Chris Hardwick
Self · (2 episodes)
2013
Acting Disruptive
Self · (1 episode)
2013
Dads
Eli · (19 episodes)
2013
The Arsenio Hall Show
Self · (1 episode)
2013
Delete
Lucifer · (2 episodes)
2013
Marvel's Hulk and the Agents of S.M.A.S.H.
A-Bomb (voice) · (52 episodes)
2013
Marvel's Avengers
Rocket Raccoon (voice) · (1 episode)
2013
Teenage Mutant Ninja Turtles
Leonardo (voice) · (72 episodes)
2012
Men At Work
Homeless Guy · (1 episode)
2012
Holliston
Gustavo · (2 episodes)
2012
TableTop
Self - Guest · (3 episodes)
2012
Marvel's Ultimate Spider-Man
Rick Jones / A-Bombardier (voice) · (1 episode)
2012
Good Mythical Morning
Self · (1 episode)
2012
Franklin & Bash
Eric Jango · (1 episode)
2011
Conan
Self · (4 episodes)
2010
Warren The Ape
(2 episodes)
2010
Lopez Tonight
(1 episode)
2009
The Cleveland Show
(3 episodes)
2009
Titan Maximum
Lt. Gibbs (voice) · (9 episodes)
2009
Community
Scrunch · (1 episode)
2009
Castle
Linus (voice) (uncredited) · (1 episode)
2009
Star Wars: The Clone Wars
Todo (voice) · (1 episode)
2008
Star Wars: The Clone Wars
Ion Papanoida (voice) · (1 episode)
2008
Star Wars: The Clone Wars
Todo 360 (voice) · (2 episodes)
2008
Seth MacFarlane's Cavalcade of Cartoon Comedy
Various Characters (voice) · (50 episodes)
2008
Phineas and Ferb
Monty (voice) · (1 episode)
2007
Heroes
Sam · (2 episodes)
2006
Four Kings
Barry · (13 episodes)
2006
My Name Is Earl
Buddy Zaks · (1 episode)
2005
How I Met Your Mother
Daryl · (1 episode)
2005
Grey's Anatomy
Nick Hanscom · (2 episodes)
2005
Robot Chicken
Various (voice) · (218 episodes)
2005
American Dad!
Joey (voice) · (1 episode)
2005
American Dad!
Nat (voice) · (1 episode)
2005
American Dad!
Matthew McConaughey (voice) · (1 episode)
2005
American Dad!
Etan Cohen (voice) · (1 episode)
2005
The Tony Danza Show
Self · (1 episode)
2004
Ned's Declassified School Survival Guide
Dog (voice) · (1 episode)
2004
The Venture Bros.
Lance Hale / Mrs. Z (voice) · (1 episode)
2004
Entourage
(3 episodes)
2004
The Soup
Self · (3 episodes)
2004
Married to the Kellys
(2 episodes)
2003
The Ellen DeGeneres Show
Self · (1 episode)
2003
Comedy Central Roasts
Self · (1 episode)
2003
Reno 911!
(1 episode)
2003
E!'s 101
Self · (1 episode)
2003
The New Tom Green Show
Self - Guest · (1 episode)
2003
Punk'd
Self · (1 episode)
2003
Real Time with Bill Maher
Self · (1 episode)
2003
Jimmy Kimmel Live!
Self · (4 episodes)
2003
Icons
(1 episode)
2002
Greg the Bunny
Jimmy Bender · (33 episodes)
2002
Dinner for Five
(1 episode)
2001
Aqua Teen Hunger Force
(1 episode)
2000
Alien: Penetration
Rufus
2000
Diary
Self · (1 episode)
2000
100 Deeds for Eddie McDowd
(40 episodes)
1999
Angel
Daniel 'Oz' Osbourne · (1 episode)
1999
Family Guy
Chris Griffin (voice) · (439 episodes)
1999
Batman Beyond
Nelson Nash (voice) · (4 episodes)
1999
Batman Beyond
Nelson Nash / Dempsey (voice) · (1 episode)
1999
Will & Grace
Randall · (1 episode)
1998
That '70s Show
Mitch MIller · (5 episodes)
1998
The View
Self · (5 episodes)
1997
Johnny Bravo
Seth Green (voice) · (1 episode)
1997
Buffy the Vampire Slayer
Oz · (39 episodes)
1997
Temporarily Yours
David Silver · (6 episodes)
1997
The Daily Show
Self · (1 episode)
1996
The Drew Carey Show
The Emcee · (1 episode)
1995
Weird Science
(1 episode)
1994
The Byrds of Paradise
(13 episodes)
1994
Late Night with Conan O'Brien
Self - Guest · (8 episodes)
1993
seaQuest DSV
Mark 'Wolfman' · (1 episode)
1993
The X-Files
Emil · (1 episode)
1993
Raw
(1 episode)
1993
Mad About You
Bobby Rubenfeld · (1 episode)
1992
Camp Wilder
(1 episode)
1992
Batman: The Animated Series
Wizard (voice) · (1 episode)
1992
The Tonight Show with Jay Leno
(1 episode)
1992
Good & Evil
David · (11 episodes)
1991
It
Richie Tozier - Age 12 · (2 episodes)
1990
Beverly Hills, 90210
(1 episode)
1990
The Simpsons
Mav (voice) · (1 episode)
1989
The Simpsons
Nerd (voice) · (1 episode)
1989
Free Spirit
(1 episode)
1989
Life Goes On
(2 episodes)
1989
The Wonder Years
Jimmy Donnelly · (2 episodes)
1988
Amazing Stories
Lance Paxton · (1 episode)
1985
Spenser: For Hire
(1 episode)
1985
Mr. Belvedere
(2 episodes)
1985
Tales from the Darkside
Timmy · (1 episode)
1984
The Facts of Life
(2 episodes)
1979
Saturday Night Live
Self - Cameo (uncredited) · (1 episode)
1975
ABC Afterschool Special
Tommy Sanders · (1 episode)
1972
Sesame Street
(1 episode)
1969