Name	Known for
Nicole Jaffe Velma Dinkley (voice) Velma Dinkley (voice) See fewer	Scooby Doo, Where Are You! (1969)
Casey Kasem Norville 'Shaggy' Rogers / Alexander Cabot III / Jack Canna's Partner / Ghost of Injun Joe (voice) Norville 'Shaggy' Rogers / Alexander Cabot III / Jack Canna's Partner / Ghost of Injun Joe (voice) See fewer	Ghostbusters (1984)
Don Messick Scooby-Doo / Sebastian / Captain Cannaby / Jack Canna / Ghost of Captain Scavenger (voice) Scooby-Doo / Sebastian / Captain Cannaby / Jack Canna / Ghost of Captain Scavenger (voice) See fewer	Tiny Toon Adventures: How I Spent My Vacation (1992)
Heather North Daphne Blake (voice) Daphne Blake (voice) See fewer	The New Scooby and Scrappy-Doo Show (1983)
Frank Welker Fred Jones / Lance Goodwin (voice) (as Franklin Welker) Fred Jones / Lance Goodwin (voice) (as Franklin Welker) See fewer	Transformers: Dark of the Moon (2011)
Sherry Alberoni Alexandra Cabot (voice) Alexandra Cabot (voice) See fewer	Sisters of Death (1976)
Michael Bell Additional Voices (as Mike Bell) (credit only) Additional Voices (as Mike Bell) (credit only) See fewer	The Transformers: The Movie (1986)
Joe Besser Additional Voices (credit only) Additional Voices (credit only) See fewer	The Desert Hawk (1950)
Scatman Crothers Additional Voices (as Benjamin Crothers) (credit only) Additional Voices (as Benjamin Crothers) (credit only) See fewer	The Shining (1980)
Jerry Dexter Alan M. Mayberry (voice) Alan M. Mayberry (voice) See fewer	Spider-Man and His Amazing Friends (1981)
Robert DoQui Additional Voices (credit only) Additional Voices (credit only) See fewer	RoboCop (1987)
Richard Elkins Additional Voices (credit only) Additional Voices (credit only) See fewer	Tick, Tick, Tick (1970)
Jamie Farr Additional Voices (credit only) Additional Voices (credit only) See fewer	MAS*H (1972)
Stu Gilliam Additional Voices (credit only) Additional Voices (credit only) See fewer	Dr. Black, Mr. Hyde (1976)
Arlene Golonka Additional Voices (as Arlene Golon) (credit only) Additional Voices (as Arlene Golon) (credit only) See fewer	Hang 'Em High (1968)
Mark Hamill Additional Voices (credit only) Additional Voices (credit only) See fewer	Star Wars: Episode IV - A New Hope (1977)
Bob Hastings Additional Voices (credit only) Additional Voices (credit only) See fewer	The Poseidon Adventure (1972)
Jackie Joseph Melody Valentine (voice) Melody Valentine (voice) See fewer	Gremlins (1984)
Phil Luther Jr. Additional Voices (as Phil Luther) (credit only) Additional Voices (as Phil Luther) (credit only) See fewer	Speed Buggy (1973)
Julie McWhirter Additional Voices (credit only) Additional Voices (credit only) See fewer	Dynomutt Dog Wonder (1976)
Alan Oppenheimer Additional Voices (credit only) Additional Voices (credit only) See fewer	Westworld (1973)
Barbara Pariot Valerie Brown (voice) Valerie Brown (voice) See fewer	Simon & Simon (1981)
John Stephenson Johnny Briggs (voice) Johnny Briggs (voice) See fewer	Charlotte's Web (1973)
Janet Waldo Josie McCoy (voice) Josie McCoy (voice) See fewer	The Jetsons (1962)
Jon Walmsley Additional Voices (as Jonathan Walmsley) (credit only) Additional Voices (as Jonathan Walmsley) (credit only) See fewer	The Waltons (1972)
Johnny Williams Additional Voices (credit only) Additional Voices (credit only) See fewer	Green Book (2018)