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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Jordan Neil
Nick Hanscom
Mav (voice)
Nerd (voice)
Chris Griffin (voice)
Joey (voice)
Nat (voice)
Matthew McConaughey (voice)
Etan Cohen (voice)
Daryl
Linus (voice) (uncredited)
Self
Emil
Oz
Monty (voice)
Todo (voice)
Ion Papanoida (voice)
Todo 360 (voice)
Bobby Rubenfeld
Scrunch
Various (voice)
Sam
Private Folen (voice)
Expo Fan (uncredited)
Mitch MIller
Jimmy Donnelly
Daniel 'Oz' Osbourne
Howard the Duck (voice)
Wizard (voice)
Seth Green (voice)
Buddy Zaks
Lance Hale / Mrs. Z (voice)
Howard the Duck (voice)
The Emcee
Mark 'Wolfman'
Captain Seevor (voice)
Leonardo (voice)
Todo 360 (voice)
Todo 360 / Villager #2 (voice)
Rick the Manager
Nelson Nash (voice)
Nelson Nash / Dempsey (voice)
Rick Jones / A-Bombardier (voice)
Rocket Raccoon (voice)
Tommy Sanders
Randall
Eric Jango
Richie Tozier - Age 12
Howard the Duck (voice)
Howard the Duck (voice)
Patrick
Lance Paxton
Presto Changeling
Atticus MacMurder
Timmy
Self
Howard the Duck (voice) (uncredited)
The Thunderbolt (voice)
Dog (voice)
Jared
Fighter Pilot (uncredited)
Lt. Gibbs (voice)
King Kong (voice)
Mitch
Self
Friend (uncredited)
Lumpy
A-Bomb (voice)
Various Characters (voice)
Lyle
Self - Guest
Casey Wingwall
Lucifer
Homeless Guy
Scott Evil
Self
Scott Evil
Barry
Selby (uncredited)
Jimmy Bender
Toby
Ezekiel
Scott Evil
Eli
Self
Duane Cody
Fred Glass
Patrick
Self
Shotgun - Music Video Director (uncredited)
Milo (voice)
Joe
Chuckie Miller
Ralph White
Radio DJ (voice)
Blinkerquartz (voice)
Kenny Fisher
Vampire (uncredited)
Johnny Marbles
Self
Seth Green
Mick
Danny Wax
Noble Bartell
Squint (voice)
Dan Mott
Leonardo (voice)
Yellowbird (voice)
Chris Griffin as Luke Skywalker (voice)
Dour Dennis (voice)
Joey
Chris Griffin / Various Characters (voice)
Tyler Burns
Gustavo
Self (archive footage)
Travis - DuJour
Slut Wars Host (uncredited)
Chris Griffin as Luke Skywalker (voice)
Self
Christopher Guest
The Nerd / Qui-Gon Jinn / Ponda Baba / Max Rebo (voice)
Dr. Jim Coglan
Pete (segment "Christmas")
Self
Chris Griffin as Luke Skywalker (voice)
Boyd (voice)
Murray
Himself
Jason
Dr. Charles Seaver
Self
James St. James
Egg Berry
Obi-Wan Kenobi / IG-88 / Weequay / Prune Face / R5-D4 (voice)
Self
Self
3rd Youth at Hot Dog Stand
Chip
Self
Wiley
Self
Danny
The Nerd / Lennie Small / Snoopy / Museum Guide / Walker (voice)
Nelson Nash (voice)
Zack
Chris Griffin (voice)
David
David
Self - Actor, "Scooby-Doo 2: Monsters Unleashed"
Daniel
Douglas
Self
Self
Malcolm
Zachary Newman
Self
Self
The Nerd / Batman / Robin / Aquaman / Additional Voices (voice)
David Silver
Self
Himself
Self - Audience Member (uncredited)
Dino
Leonardo (voice)
Self
Benjamin "Ape-Face" Andrews
Self
Brandon
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)
Monty Monogram / Additional Voices (voice)
Stilts
Himself
Self
The Nerd / Anakin Skywalker / Obi-Wan Kenobi / Bossk (voice)
Bail Organa / C-3P0 / Plo Koon / Count Dooku
Self
Self
Homophobe 2
Self
Self
Patrick
Sen. Burdick
Swiv (voice)
Self
Jonah the Taper
Various (voice) (archive sound)
Various (voice)
Tommy Sanders
Harry the Evil Hat
White Nerd #2
Chris Griffin / Man #2 (voice)
Punk Neighbor
Leonardo (voice)
Action Figure Collector
Shawn
Homophobe 3
Pete
Danny
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)
Various (voice)
Greg
Self
Loki / Tree / Jaden / Reindeer / Elf / Various (voice)
himself
Leo
Himself
Scott Evil
Cornelius
Leonardo (voice)
Various (voice)
Various (voice)
Self
Charlie
The Nerd / Santa Claus / Rudolph / Hermey the Elf (voice)
Self
Self - Cameo (uncredited)
Self
Self
Self
Self
Self - Guest
Self
Self
Self
Self
Self
Self - Guest
Self - Special Guest
Self
Self