Casey Kasem (47)

Shaggy Rogers (voice)

Don Messick (53)

Scooby-Doo (voice)

Frank Welker (33)

Fred Jones (voice)

Heather North (29)

Daphne Blake (voice)

Patricia Stevens (34)

Velma Dinkley (voice)

Ginny McSwain

Kerry / Girl Fan / Executive Secretary (voice)

Marilyn Schreffler (34)

Cherie / Sis / Receptionist (voice)

Joan Gerber (44)

Lavonne / Second Woman / Waitress (voice)

Rip Taylor (48)

C.J. (voice)

Michael Bell (41)

Jesse Rotten / V.P. Jackie Carlson (voice)

Stan Jones (53)

Director / First V.P. / Terrier (voice)

Pat Fraley (30)

Brother / Guard / Announcer (voice)

Edie Lehmann Boddicker (22)

Singer (voice)

Paul DeKorte

Singer (voice)

Michael Redman

Singer (voice)

Debbie Hall

Singer (voice)

Robert Tebow

Singer (voice)