| movie | Superman (2025)As Guy Gardner | (Not seen) |
| movie | Skincare (2024)As Brett Wright | (Not seen) |
| movie | Deadpool & Wolverine (2024)As Headpool (voice) | (Not seen) |
| movie | Guardians of the Galaxy Vol. 3 (2023) (AKA "Guardians of the Galaxy Volume 3")As Master Karja | (Not seen) |
| tv | The Rookie: Feds (2022)As John Nolan | (Not seen) |
| tv | The Recruit (2022)As CIA Director Alton West | (Not seen) |
| tv | Peacemaker (2022)As Guy Gardner | (Not seen) |
| tv | Marvel's M.O.D.O.K. (2021)As Simon Williams / Wonder Man (voice) | (Not seen) |
| tv | Monsters at Work (2021)As Johnny (voice) | (Not seen) |
| tv | Resident Alien (2021)As Octopus (voice) | (Not seen) |
| movie | The Suicide Squad (2021)As T.D.K. | (Not seen) |
| movie | Reign of the Supermen (2019)As Green Lantern / Hal Jordan (voice) | (Not seen) |
| tv | The Rookie (2018)As John Nolan | (Not seen) |
| movie | The Death of Superman (2018)As Hal Jordan / Green Lantern (voice) | (Not seen) |
| movie | Night Hunter (2018)As Quinn | (Not seen) |
| tv | Santa Clarita Diet (2017)As Gary West | (Not seen) |
| tv | A Series of Unfortunate Events (2017)As Jacques Snicket (voice) | (Not seen) |
| tv | Big Mouth (2017)As Nathan Fillion (voice) | (Not seen) |
| movie | Cars 3 (2017)As Sterling (voice) | (Not seen) |
| tv | HarmonQuest (2016)As Tetter Spice | (Not seen) |
| movie | Justice League: Throne of Atlantis (2015) (AKA "DCU: Justice League - Throne of Atlantis")As Green Lantern / Hal Jordan (voice) | (Not seen) |
| movie | Robot Chicken DC Comics Special II: Villains in Paradise (2014) (AKA "Robot Chicken: DC Comics Special II - Villains in Paradise")As Green Lantern / Black Adam (voice) | (Not seen) |
| movie | Guardians of the Galaxy (2014) (AKA "G.O.T.G.")As Monstrous Inmate | (Not seen) |
| tv | Rick and Morty (2013)As Cornvelious Daniel (voice) | (Not seen) |
| tv | Brooklyn Nine-Nine (2013)As Mark Devereaux | (Not seen) |
| movie | Justice League: The Flashpoint Paradox (2013)As Green Lantern / Hal Jordan (voice) | (Not seen) |
| movie | Monsters University (2013)As Johnny (voice) | (Not seen) |
| movie | Percy Jackson: Sea of Monsters (2013)As Hermes | (Not seen) |
| tv | Gravity Falls (2012)As Preston Northwest (voice) | (Not seen) |
| movie | Much Ado About Nothing (2012)As Dogberry | (Not seen) |
| movie | Justice League: Doom (2012)As Green Lantern (voice) | (Not seen) |
| movie | Green Lantern: Emerald Knights (2011)As Hal Jordan / Green Lantern (voice) | (Not seen) |
| movie | Super (2010) (AKA "Super!")As The Holy Avenger | (Not seen) |
| tv | Castle (2009)As Richard Castle | (Not seen) |
| tv | Modern Family (2009)As Rainer Shine | (Not seen) |
| tv | Community (2009)As Bob Waite | (Not seen) |
| tv | Dr. Horrible's Sing-Along Blog (2008)As Captain Hammer | (Not seen) |
| movie | Dr. Horrible's Sing-Along Blog (2008)As Captain Hammer | (Not seen) |
| tv | The Guild (2007)As Nathan Fillion | (Not seen) |
| tv | The Big Bang Theory (2007)As Nathan Fillion | (Not seen) |
| movie | Waitress (2007)As Dr. Jim Pomatter | (Not seen) |
| movie | White Noise 2: The Light (2007) (AKA "White Noise: The Light")As Abe Dale | (Not seen) |
| movie | Slither (2006)As Bill Pardy | (Not seen) |
| movie | Serenity (2005)As Malcolm 'Mal' Reynolds | (Not seen) |
| tv | Desperate Housewives (2004)As Adam Mayfair | (Not seen) |
| tv | Justice League Unlimited (2004)As Vigilante (voice) | (Not seen) |
| tv | Lost (2004)As Kevin Callis | (Not seen) |
| tv | The Ellen DeGeneres Show (2003)As Self | (Not seen) |
| tv | Firefly (2002)As Mal Reynolds | (Not seen) |
| movie | Dracula 2000 (2000) (AKA "Dracula 2001")As Father David | (Not seen) |
| movie | Blast from the Past (1999) (AKA "Looking for Eve")As Cliff | (Not seen) |
| movie | Saving Private Ryan (1998)As Minnesota Ryan | (Not seen) |
| tv | King of the Hill (1997)As Frisbee Guy (voice) | (Not seen) |
| tv | Buffy the Vampire Slayer (1997)As Caleb | (Not seen) |
| tv | Saturday Night Live (1975)As Self - Cameo (uncredited) | (Not seen) |