John Allen McDorman IV (born July 8, 1986) is an American actor best known for the 2014 film American Sniper and starring on television shows such as CBS' Limitless (2015–2016) and the Disney+ historical drama The Right Stuff as Alan Shepard. He is also well known for his roles on the ABC Family comedy-drama Greek (2007–2011), the fourth season of the Showtime comedy-drama Shameless (2014), the revival of the CBS sitcom Murphy Brown (2018), and FX's What We Do in the Shadows. Most recently he was seen on Hulu's award winning Dopesick. He is currently starring in Peacock's A.I. mind-bending drama series Mrs. Davis opposite Betty Gilpin.
Happiest Season
Connor
2020
Live Free or Die Hard
Jim
2007
Aquamarine
Raymond
2006
Spring Bloom
Chef
Class of '09
Murphy · (8 episodes)
2023
Mrs. Davis
Preston Wiley · (8 episodes)
2023
Jerry & Marge Go Large
Doug
2022
Dopesick
John Brownlee · (7 episodes)
2021
The Right Stuff
Alan Shephard · (8 episodes)
2020
Watchmen
Nelson Gardner · (1 episode)
2019
What We Do in the Shadows
Jeff Suckler · (4 episodes)
2019
Unlovable
Jesse
2018
Murphy Brown
Avery Brown · (13 episodes)
2018
Ideal Home
Beau
2018
The Escape of Prisoner 614
Thurman Hayford
2018
Lady Bird
Mr. Bruno
2017
Me Him Her
Griffin
2016
Limitless
Brian Finch · (22 episodes)
2015
See You In Valhalla
Magnus Burwood
2015
Always Watching: A Marble Hornets Story
Charlie MacNeel
2015
American Sniper
Biggles
2014
Manhattan Love Story
Peter · (11 episodes)
2014
The Newsroom
Tate Brady · (1 episode)
2012
Are You There, Chelsea?
Rick Miller · (12 episodes)
2012
Shameless
Mike Pratt · (10 episodes)
2011
The Craigslist Killer
Phillip Markoff
2011
Greek
Evan Chambers · (74 episodes)
2007
Bring It On: All or Nothing
Brad Warner
2006
Echoes of Innocence
Dave
2005
House
Dan · (1 episode)
2004
Quintuplets
Parker Chase · (22 episodes)
2004
Cold Case
Tanner · (1 episode)
2003
CSI: Miami
Carl Thornton · (1 episode)
2002