Name	Known for
Nicole Jaffe Velma Dinkley (voice) Velma Dinkley (voice) See fewer	Scooby Doo, Where Are You! (1969)
Casey Kasem Norville 'Shaggy' Rogers / Colonel Beauregard Sanders / Cousin Slicker / Sheriff (voice) Norville 'Shaggy' Rogers / Colonel Beauregard Sanders / Cousin Slicker / Sheriff (voice) See fewer	Ghostbusters (1984)
Don Messick Scooby-Doo (voice) Scooby-Doo (voice) See fewer	The Last Unicorn (1982)
Vic Perrin Additional Voices (voice) (credit only) Additional Voices (voice) (credit only) See fewer	Watchmen (2009)
Hal Smith Cosgood Creeps / Green Ghosts (voice) Cosgood Creeps / Green Ghosts (voice) See fewer	The Great Race (1965)
John Stephenson Additional Voices (voice) (credit only) Additional Voices (voice) (credit only) See fewer	Charlotte's Web (1973)
Jean Vander Pyl Additional Voices (voice) (credit only) Additional Voices (voice) (credit only) See fewer	The Flintstones (1960)
Frank Welker Fred Jones (voice) Fred Jones (voice) See fewer	Transformers: Dark of the Moon (I) (2011)
Stefanianna Christopherson Daphne Blake (voice) Daphne Blake (voice) See fewer	Scooby Doo, Where Are You! (1969)
Carmen Onorati Velma Dinkley Velma Dinkley See fewer	Scooby Doo, Where Are You! (1969)
Paola Quattrini Actress Actress See fewer	The Case of the Bloody Iris (1972)