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)
Aegelis
I really cannot fathom what the writers were thinking on this one. Few movies reach this level of crossover failure like Star Wars Holiday Special. It's a hodge-podge of rehashed Three Stooges, clips of older episodes, and Snoopy Come Home. I believe they were trying to see if Scooby would ever w...