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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as himself
as Greg Rossi
as Swiv (voice)
as Obi-Wan Kenobi / Jawa / Qui-Gon Jinn / Salacious Crumb (voice)(6 eps)
as Chris Griffin (voice)
as Self - Special Guest(1 ep)
as Daniel
as Samuel Nicholas
as Self(1 ep)
as David
as Harry the Evil Hat
as Presto Changeling(1 ep)
as Atticus MacMurder(1 ep)
as Howard the Duck (voice)
as Mitch(1 ep)
as Self - Contestant(1 ep)
as Radio DJ (voice)
as Super Pierre
as Dour Dennis (voice)
as Self - Actor, "Scooby-Doo 2: Monsters Unleashed"
as Himself
as Howard the Duck (voice)(5 eps)
as Todo 360 (voice)(2 eps)
as Todo 360 / Villager #2 (voice)(1 ep)
as Patrick
as Blinkerquartz (voice)(10 eps)
as The Thunderbolt (voice)(9 eps)
as Self
as Brandon
as Fighter Pilot (uncredited)
as Friend (uncredited)
as Private Folen (voice)(1 ep)
as Pete
as Jordan Neil(1 ep)
as Self
as Self - Audience Member (uncredited)
as Noble Bartell(1 ep)
as Dr. Charles Seaver
as Self - Special Guest(1 ep)
as Christopher Guest
as The Nerd / Lennie Small / Snoopy / Museum Guide / Walker (voice)
as Howard the Duck (voice)
as Leonardo (voice)
as King Kong (voice)
as Toby(1 ep)
as Pete (segment "Christmas")
as Squint (voice)
as Shawn(5 eps)
as Lumpy (voice)
as Leonardo (voice)
as The Nerd / Batman / Robin / Aquaman / Additional Voices (voice)
as Patrick(1 ep)
as Casey Wingwall(1 ep)
as Howard the Duck (voice)(2 eps)
as Self(1 ep)
as Leonardo (voice)
as Little 90s Kid 1
as Self(2 eps)
as Leonardo (voice)
as Various (voice) (archive sound)
as Self(1 ep)
as Captain Seevor (voice)(1 ep)
as Chris Griffin (voice)
as Dino
as Self
as Howard the Duck (voice) (uncredited)
as Self(1 ep)
as Self
as 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)
as Self(1 ep)
as Seth Green(2 eps)
as Jared(2 eps)
as Self
as Himself
as Self(2 eps)
as Self(1 ep)
as Eli Sachs(19 eps)
as Self(1 ep)
as Sen. Burdick
as Lucifer(2 eps)
as A-Bomb (voice)(52 eps)
as Rocket Raccoon (voice)(1 ep)
as Zachary Newman
as Zack
as Leonardo (voice)(72 eps)
as 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)
as Homeless Guy(1 ep)
as Self
as Gustavo(2 eps)
as Rick Jones / A-Bombardier (voice)(1 ep)
as Self(1 ep)
as Self
as White Nerd #2
as Eric Jango(1 ep)
as Milo (performance capture)
as Obi-Wan Kenobi / IG-88 / Weequay / Prune Face / R5-D4 (voice)
as Chris Griffin as Luke Skywalker (voice)
as Self(6 eps)
as Self
as Expo Fan (uncredited)
as Chris Griffin as Luke Skywalker (voice)
as Ralph White
as Lt. Gibbs (voice)(9 eps)
as Scrunch(1 ep)
as Chris Griffin (voice)
as Linus (voice) (uncredited)(1 ep)
as The Nerd / Anakin Skywalker / Obi-Wan Kenobi / Bossk (voice)
as Ezekiel
as Todo (voice)(1 ep)
as Ion Papanoida (voice)(1 ep)
as Todo 360 (voice)(2 eps)
as Various Characters (voice)(50 eps)
as Jonah the Taper
as Chris Griffin as Luke Skywalker (voice)
as Monty Monogram (voice)(8 eps)
as The Nerd / Qui-Gon Jinn / Ponda Baba / Max Rebo (voice)
as Slut Wars Host (uncredited)
as Sam(2 eps)
as Action Figure Collector
as Barry(13 eps)
as Buddy Zaks(1 ep)
as Daryl(1 ep)
as Chris Griffin / Various Characters (voice)
as Murray
as Self (archive footage)(1 ep)
as Nick Hanscom(2 eps)
as Shotgun - Music Video Director (uncredited)
as Various (voice)(218 eps)
as Seth green / George w. bush / bill Clinton / Snoop Dogg / pennywise / various (voice)(1 ep)
as Joey (voice)(1 ep)
as Nat (voice)(1 ep)
as Matthew McConaughey (voice)(1 ep)
as Etan Cohen (voice)(1 ep)
as Self - Host(1 ep)
as Self(1 ep)
as Dog (voice)(1 ep)
as Dan Mott
as Lance Hale / Mrs. Z (voice)(1 ep)
as Seth Green(3 eps)
as Self(4 eps)
as Self (uncredited)
as Patrick
as Dr. Jim Coglan(2 eps)
as Self(1 ep)
as James St. James
as Self(1 ep)
as Rick the Manager(1 ep)
as Self(1 ep)
as Self - Guest(1 ep)
as Lyle
as Self(1 ep)
as Self(1 ep)
as Self(5 eps)
as Scott Evil
as Jimmy Bender(33 eps)
as Himself
as Chris Griffin / Man #2 (voice)
as Johnny Marbles
as Duane Cody
as Danny Wax
as Boyd (voice)
as Travis - DuJour
as Douglas
as Seth Green(1 ep)
as Self(1 ep)
as Eddie McDowd (voice)(20 eps)
as Daniel 'Oz' Osbourne(1 ep)
as Scott Evil
as Mick
as Cornelius
as Chris Griffin (voice)(456 eps)
as Nelson Nash (voice)
as Nelson Nash (voice)(4 eps)
as Nelson Nash / Dempsey (voice)(1 ep)
as Scott Evil
as Selby (uncredited)
as Randall(1 ep)
as Mitch MIller(5 eps)
as Kenny Fisher
as Self(6 eps)
as Seth Green (voice)(1 ep)
as Scott Evil
as Oz(39 eps)
as Homophobe 2
as David Silver(6 eps)
as Danny
as Self(1 ep)
as 3rd Youth at Hot Dog Stand
as The Emcee(1 ep)
as Nerdsy Boy
as Jaybo(1 ep)
as Homophobe 3
as Tyler Burns
as Himself
as Wiley
as Self - Guest(8 eps)
as Mark 'Wolfman'(1 ep)
as Emil(1 ep)
as Stilts
as Self(1 ep)
as Bobby Rubenfeld(1 ep)
as Chip
as Wizard (voice)(1 ep)
as Vampire (uncredited)
as David(11 eps)
as Danny(1 ep)
as Wheels
as Richie Tozier - Age 12(2 eps)
as Wayne(1 ep)
as Joey
as Mav (voice)(1 ep)
as Nerd (voice)(1 ep)
as Fred Glass
as Jason
as Jimmy Donnelly(2 eps)
as Chuckie Miller
as Danny
as Joe
as Malcolm
as Lance Paxton(1 ep)
as Tommy Sanders
as Charlie
as Timmy(1 ep)
as Egg Berry
as Benjamin "Ape-Face" Andrews
as Little Kid being interviewed (uncredited)(1 ep)
as Self (uncredited)(1 ep)
as Tommy Sanders(1 ep)