Shaggy Rogers (voice) (archive footage)
Scooby-Doo, Where Are You Now! (2021)
A Scooby-Doo Valentine Bouquet (2021)
Scooby-Doo! Frankencreepy (2014)
Scooby-Doo! and the Werewolves (2012)
Shaggy Rogers (voice)
Scooby-Doo! and the Safari Creatures (2012)
Scooby-Doo! and the Skeletons (2012)
Shaggy Rogers / Sheriff (voice) (archive footage)
Scooby-Doo: Mystery in Motion (2012)
Scooby-Doo! and the Sea Monsters (2012)
Mark
Battle of the Planets: The Movie (2012)
Scooby Doo and The Zombies (2011)
Scooby-Doo! and the Robots (2011)
Scooby-Doo! and the Pirates (2011)
Self (voice)
Quantum Quest: A Cassini Space Odyssey (2010)
Shaggy Rogers (voice) (uncredited)
Peter Kay's Animated All Star Band: The Official BBC Children in Need Medley (2009)
Scooby-Doo! and the Samurai Sword (2009)
Scooby-Doo! and the Goblin King (2008)
What's New Scooby-Doo? Vol. 10: Monstrous Tails (2007)
Chill Out, Scooby-Doo! (2007)
Scooby-Doo: Agence toutou risques, vol. 2 : Le fantôme de la télé (2007)
Scooby-Doo: Agence toutou risques, vol. 1 : Le voleur de vélo (2007)
What's New Scooby-Doo? Vol. 3: Halloween Boos and Clues (2007)
What's New Scooby-Doo? Vol. 4: Merry Scary Holiday (2007)
Scooby-Doo! Pirates Ahoy! (2006)
What's New, Scooby-Doo? Vol. 7: Ghosts on the Go! (2006)
What's New, Scooby-Doo? Vol. 7: Ready to Scare (2006)
What's New, Scooby-Doo? Vol. 5: Sports Spooktacular (2005)
Scooby-Doo! in Where's My Mummy? (2005)
Aloha Scooby-Doo! (2005)
Himself
The Wiki-Tiki Tail of Aloha Scooby-Doo (2005)
Shaggy Rogers
An Evening with the Scooby-Doo Gang (2005)
What's New, Scooby-Doo? Vol. 1: Space Ape at the Cape (2004)
(voices)
Cartoon Network Christmas: Yuletide Follies (2004)
Scooby-Doo! and the Loch Ness Monster (2004)
Self
Casey Kasem's Rock 'n' Roll Goldmine: The Soul Years (2004)
Shaggy (voice)
Looney Tunes: Back in Action (2003)
Scooby-Doo! and the Monster of Mexico (2003)
Scooby-Doo! and the Legend of the Vampire (2003)
Scooby-Doo's Spookiest Tales (2003)
A Scooby-Doo! Christmas (2002)
Scooby-Doo Safari, So Goodi! (2002)
Shaggy (voice) (archive footage)
Scooby-Doo! Winter WonderDog (2002)
Norville 'Shaggy' Rogers / Robin (voice) (archive footage)
Scooby-Doo Meets Batman (2002)
Shaggy (archive footage) (uncredited)
The 1st 13th Annual Fancy Anvil Awards Show Program Special: Live in Stereo (2002)
Scooby-Doo's Spookiest Tales (2001)
Wedding DJ (voice)
Rugrats in Paris: The Movie (2000)
Shaggy Rogers / Officer (voice)
Scooby-Doo's Creepiest Capers (2000)
Scooby-Doo's Original Mysteries (2000)
Shaggy Rogers / Additional Voices / Officer (voice)
Scooby-Doo's Greatest Mysteries (1999)
Casey Kasem
Undercover Angel (1999)
Radio Announcer
Merry Christmas, George Bailey! (1997)
Bill Romano
James Dean: Race with Destiny (1997)
Mr. Wrong (1996)
Sonic Outlaws (1995)
(segment 'Space Traders')
Cosmic Slop (1994)
Scooby-Doo! in Arabian Nights (1994)
Truth or Dairy (1994)
Additional Voices (voice)
Mickey's Safety Club: Street Safe, Street Smart (1989)
Hanna-Barbera's 50th (1989)
Scooby-Doo! and the Reluctant Werewolf (1988)
Shaggy Rogers / Mirror Monster (voice)
Scooby-Doo and the Ghoul School (1988)
Scooby-Doo! Meets the Boo Brothers (1987)
Cliffjumper (voice)
The Transformers: The Movie (1986)
Host
Rock ‘N’ Roll Goldmine: The San Francisco Sound (1986)
Teletraan I
Transformers - Le cosmitron (1986)
himself
Rock 'N' Roll Goldmine: The Sixties (1986)
Cliffjumper / Bluestreak / Teletraan 1
The Transformers: More Than Meets The Eye (1986)
Scooby-Doo's A Nutcracker Scoob (1984)
Casey Kasem (voice)
Ghostbusters (1984)
Meriadoc 'Merry' Brandybuck (voice)
The Return of the King (1980)
Scooby Goes Hollywood (1979)
Monty Marble (voice)
The Flintstones Meet Rockula and Frankenstone (1979)
Police Pathologist
The Dark (1979)
Brian Parker
Disco Fever (1978)
D.J. aka Midnight Bird
New York, New York (1977)
Uncas (voice)
The Last of the Mohicans (1975)
Mercury Theatre Player
The Night That Panicked America (1975)
(voice)
The City That Forgot About Christmas (1974)
Narrator (voice)
The Bear Who Slept Through Christmas (1973)
Scooby-Doo! Meets the Harlem Globetrotters (1973)
Birnie
Soul Hustler (1973)
Mission Control Officer
Doomsday Machine (1972)
Ken
The Incredible 2-Headed Transplant (1971)
Peter Cottontail (voice)
Here Comes Peter Cottontail (1971)
Conrad
The Girls from Thunder Strip (1970)
Phil
Scream Free! (1969)
Keg's Brother
The Cycle Savages (1969)
Knife
Wild Wheels (1969)
Disc Jockey
2000 Years Later (1969)
Mouth
The Glory Stompers (1967)
Executive Producer
Co-Executive Producer
Co-Producer