Shaggy and Scooby-Doo quit their Saturday morning TV series in pursuit of Hollywood stardom.
Casey Kasem
as Shaggy Rogers (voice)
Don Messick
as Scooby-Doo (voice)
Frank Welker
as Fred Jones (voice)
Heather North
as Daphne Blake (voice)
Patricia Stevens
as Velma Dinkley (voice)
Ginny McSwain
as Kerry / Girl Fan / Executive Secretary (voice)
Marilyn Schreffler
as Cherie / Sis / Receptionist (voice)
Joan Gerber
as Lavonne / Second Woman / Waitress (voice)
Rip Taylor
as C.J. (voice)
Michael Bell
as Jesse Rotten / V.P. Jackie Carlson (voice)
Stan Jones
as Director / First V.P. / Terrier (voice)
Pat Fraley
as Brother / Guard / Announcer (voice)
