Name	Known for
Michael Bell Actor (voice) (credit only) Actor (voice) (credit only) See fewer	The Transformers: The Movie (1986)
Ruth Buzzi Mrs. Muffinstuffer (voice) Mrs. Muffinstuffer (voice) See fewer	Rowan & Martin's Laugh-In (1967)
Hamilton Camp Actor (voice) (credit only) Actor (voice) (credit only) See fewer	Almost Heroes (1998)
Scatman Crothers Actor (voice) (credit only) Actor (voice) (credit only) See fewer	The Shining (1980)
Pat Fraley Actor (voice) (credit only) Actor (voice) (credit only) See fewer	Princess Mononoke (1997)
Marla Frumkin Velma Dinkley (voice) Velma Dinkley (voice) See fewer	G.I. Joe: A Real American Hero - The M.A.S.S. Device (1983)
Joan Gerber Actress (voice) (credit only) Actress (voice) (credit only) See fewer	DuckTales the Movie: Treasure of the Lost Lamp (1990)
Casey Kasem Shaggy (voice) Shaggy (voice) See fewer	Ghostbusters (1984)
Don Messick Scooby-Doo / Scrappy-Doo (voice) Scooby-Doo / Scrappy-Doo (voice) See fewer	Tiny Toon Adventures: How I Spent My Vacation (1992)
Heather North Daphne (voice) Daphne (voice) See fewer	The New Scooby and Scrappy-Doo Show (1983)
Alan Oppenheimer Actor (voice) Actor (voice) See fewer	Westworld (1973)
Marilyn Schreffler Actress (voice) Actress (voice) See fewer	The Golden Child (1986)
John Stephenson Actor (voice) Actor (voice) See fewer	Charlotte's Web (1973)
Frank Welker Fred (voice) Fred (voice) See fewer	Transformers: Dark of the Moon (I) (2011)