Name	Known for
Nicole Jaffe Velma Dinkley (voice) Velma Dinkley (voice) See fewer	Scooby Doo, Where Are You! (1969)
Casey Kasem Norville 'Shaggy' Rogers / Johnny Sands (voice) Norville 'Shaggy' Rogers / Johnny Sands (voice) See fewer	Ghostbusters (1984)
Don Messick Scooby-Doo / Roger Stevens / Mr. Grisby / Sheriff (voice) Scooby-Doo / Roger Stevens / Mr. Grisby / Sheriff (voice) See fewer	The Last Unicorn (1982)
Heather North Daphne Blake (voice) Daphne Blake (voice) See fewer	The New Scooby and Scrappy-Doo Show (1983)
Vic Perrin Additional Voices (voice) (credit only) Additional Voices (voice) (credit only) See fewer	Watchmen (2009)
Barry Richards Additional Voices (voice) (credit only) Additional Voices (voice) (credit only) See fewer	Bandstand (1958)
Austin Roberts Additional Voices (voice) (credit only) (as George A. Robertson) Additional Voices (voice) (credit only) (as George A. Robertson) See fewer	Tender Mercies (1983)
Hal Smith Additional Voices (voice) (credit only) Additional Voices (voice) (credit only) See fewer	The Great Race (1965)
John Stephenson Additional Voices (voice) (credit only) Additional Voices (voice) (credit only) See fewer	Charlotte's Web (1973)
Susan Stewart Additional Voices (voice) (credit only) Additional Voices (voice) (credit only) See fewer	Hawaii Five-O (1968)
Michael Stull The Wax Phantom (voice) The Wax Phantom (voice) See fewer	A Knife for the Ladies (1974)
Jean Vander Pyl Additional Voices (voice) (credit only) Additional Voices (voice) (credit only) See fewer	The Flintstones (1994)
Frank Welker Fred Jones (voice) Fred Jones (voice) See fewer	Transformers: Dark of the Moon (2011)