We dont have a biography for William Callaway
1993Droopy, Master Detective (39 Episodes) as Rumpley (voice)
1990Tom & Jerry Kids Show (5 Episodes) as Slowpoke Antonio (voice)
1988The Pillow People Save Christmas as (voices)
1987The Smurfs: 'Tis the Season to Be Smurfy as Clumsy Smurf / Rich Man (voice)
1987Yogi's Great Escape as Dad / Trapper (voice)
1987Scooby-Doo! Meets the Boo Brothers as Billy Bob Scroggins / Beaureguard / Horseman / Ape (voice)
1987Ultraman: The Adventure Begins as Combot Model MF842 (Ulysses)
1987DuckTales (1 Episode) as Thor (voice)
1987G.I. Joe: The Movie as Beach Head (voice)
1986Inhumanoids (13 Episodes) as Unknown
1986G.I. Joe: Arise, Serpentor, Arise! as Beach Head (voice)
1986Defenders of the Earth (65 Episodes) as Octon / Garax (voice)
1986Inhumanoids: The Movie as Liquidator (voice)
1985The Super Powers Team: Galactic Guardians (10 Episodes) as Aquaman (voice)
1985Smurfily Ever After as Clumsy Smurf (voice)
1984Super Friends: The Legendary Super Powers Show (16 Episodes) as Unknown
1984UFOria as Gardan
1984The Smurfic Games as Clumsy Smurf / Painter Smurf / Dragon (voice) (as Bill Callaway)
1984Here Are the Smurfs as Clumsy Smurf (voice)
1983The Smurfs Halloween Special as Unknown
1983G.I. Joe: A Real American Hero (30 Episodes) as Beach Head (voice)
1983My Smurfy Valentine as (voice)
1982The Smurfs Christmas Special as (voice)
1982This Is Kate Bennett... as Morris Steinman
1982The Smurfs Springtime Special as Clumsy Smurf (voice)
1981Daniel Boone as Unknown
1981Romeo and Smurfette as Clumsy Smurf (Voice)
1981The Smurfs (422 Episodes) as Clumsy Smurf (voice)
1980Richie Rich (41 Episodes) as Unknown
1979The World's Greatest Super Friends (8 Episodes) as Unknown
1979Scooby-Doo and Scrappy-Doo (1, 1 Episode) as Mr Pratt, Morgan the Magician
1978Taxi (1 Episode) as Sandor Kovacs
1978Challenge of the Super Friends (32 Episodes) as Unknown
1978Rabbit Test as Intern
1978Hanna-Barbera's All-Star Comedy Ice Revue as Square Bear (voice)
1977Flush as Harley
1977Annie Hall as Lacey Party Guest
1977Fun with Dick and Jane as Record Store Clerk
1974Thursday's Game as Cabbie
1973Super Friends (38, 32 Episode) as Aquaman (voice), Aquaman / Bizarro (voice)
1972Sealab 2020 (13 Episodes) as Unknown
1972The Great Northfield Minnesota Raid as Calliopist
1972New Zoo Revue (67 Episodes) as Unknown
1971Help!... It's the Hair Bear Bunch! (16 Episodes) as Unknown
1971Cat Ballou as Loopy
1970The Grasshopper as Elroy
1969Love, American Style (1 Episode) as Unknown
1969Cattanooga Cats (101 Episodes) as Unknown
1966That Girl (1 Episode) as Unknown
1955Gunsmoke (1 Episode) as Shuffles