Kathryn Felicia Day is an American actress, known for her work as "Vi" on the TV series Buffy the Vampire Slayer and for parts in movies such as Bring It On Again and June, as well as the Internet musical, Dr. Horrible's Sing-Along Blog. Day is also the star, script writer and producer of the original web series The Guild, a show loosely based on her life as a gamer, which is directed by Sean Michael Becker. She is a member of the Board of Directors of the International Academy of Web Television.
Tim Travers & the Time Travelers Paradox
Delilah
2025
The Ugly Chickens
Paula
2024
1982: Greatest Geek Year Ever!
Self
2022
The Candlenights 2020 Special
Self
2020
Pooka Lives!
Molly
2020
Chasing Molly
Kaitlin
2019
Stuck
Robin
2018
We Brought Back MST3K
Self
2018
We Love You, Sally Carmichael!
Sarah
2017
We Bare Bears
Karla (voice) · (1 episode)
2015
Lust for Love
Mary
2014
8-bit Haunted Dance Party
2014
How Videogames Changed the World
Self
2013
Rock Jocks
Alison
2012
Good Mythical Morning
Self · (1 episode)
2012
Chronicles of Humanity: Descent
Amanda Wood (voice)
2011
Red: Werewolf Hunter
Virginia Sullivan
2010
Three Rivers
(1 episode)
2009
Roommates
Alyssa · (13 episodes)
2009
Dr. Horrible's Sing-Along Blog
Penny
2008
Commentary! The Musical
2008
Dr. Horrible's Sing-Along Blog
Penny · (3 episodes)
2008
Dear Me
Pipsy
2008
Prairie Fever
Blue
2008
The Making of Dr. Horrible's Sing-Along Blog
Self
2007
The Guild
Codex · (70 episodes)
2007
Windfall
(1 episode)
2006
God's Waiting List
Trixie
2006
Love, Inc.
(1 episode)
2005
Supernatural
Charlie Bradbury · (12 episodes)
2005
Mystery Woman: Vision of a Murder
Emily Claire
2005
June
June Marie Jacobs
2004
Bring It On Again
Penelope
2004
Backslide
Maddie
Rhett & Link's Wonderhole
Draven the Technonaut (voice) · (1 episode)
2024
Adventure Time: Fionna & Cake
Betty (voice) · (3 episodes)
2023
Greatest Geek Year Ever! 1982
Self - Guest · (4 episodes)
2023
Monster High
Ghoulia Yelps (voice) · (10 episodes)
2022
Mystery Science Theater 3000
Kinga Forrester · (13 episodes)
2022
The Legend of Vox Machina
Captain / Bandit 2 (voice) · (2 episodes)
2022
The Rookie
Dr. Morgan · (2 episodes)
2018
Nailed It!
Self - Judge · (1 episode)
2018
Marvel's Spider-Man
Mary Jane (voice) · (1 episode)
2017
Danger & Eggs
Francesca (voice) · (1 episode)
2017
Mystery Science Theater 3000
Kinga Forrester · (20 episodes)
2017
The Magicians
Poppy · (4 episodes)
2015
Con Man
Karen · (5 episodes)
2015
Critical Role
Lyra · (2 episodes)
2015
Kittens in a Cage
Young Josephine · (1 episode)
2015
The Librarians
Charlotte · (1 episode)
2014
The Wil Wheaton Project
Self · (1 episode)
2014
Outlands
84 (voice) · (7 episodes)
2013
My Gimpy Life
Felicia · (3 episodes)
2012
The High Fructose Adventures of Annoying Orange
Peach / Ginger (voice) · (60 episodes)
2012
MyMusic
Gorgol · (1 episode)
2012
The Flog
Self · (55 episodes)
2012
TableTop
Self - Guest · (10 episodes)
2012
Dragon Age: Redemption
Tallis · (6 episodes)
2011
The Jeff Lewis 5 Minute Comedy Hour
Office Worker · (19 episodes)
2010
My Little Pony: Friendship Is Magic
Pear Butter (voice) · (1 episode)
2010
Fish Hooks
Angela (voice) · (3 episodes)
2010
The Webventures of Justin and Alden
Self · (2 episodes)
2010
Generator Rex
(1 episode)
2010
Adventure Time
Betty (voice) · (2 episodes)
2010
Dollhouse
Mag · (1 episode)
2009
The Legend of Neil
Fairy · (20 episodes)
2008
Eureka
Holly Marten · (18 episodes)
2006
Warm Springs
Eloise Hutchinson
2005
House
Apple · (1 episode)
2004
Century City
Sheryl · (9 episodes)
2004
They Shoot Divas, Don't They?
Call Girl
2002
For the People
Nicole · (18 episodes)
2002
Monk
Mrs. Heidi Gefsky · (1 episode)
2002
Emeril
(1 episode)
2001
One on One
Sarah · (1 episode)
2001
Strong Medicine
Jesse's Friend · (2 episodes)
2000
Buffy the Vampire Slayer
Vi · (8 episodes)
1997
Mystery Science Theater 3000
Kinga Forrester · (0 episode)
1989