Casey Kasem
Shaggy Rogers (voice) (46 eps)
Heather North
Daphne Blake (voice) (46 eps)
Don Messick
Scooby-Doo / Scrappy-Doo (voice) (46 eps)
John Stephenson
Dr. LaRue (voice) (3 eps)
Lennie Weinrib
Mickey Hack (voice) (2 eps)
Vic Perrin
Mr kronos (voice) (2 eps)
Andre Stojka
Toby Wallace (voice) (1 eps)
Arthur Burghardt
Randar the Ape Man (voice) (1 eps)
Bernard Erhard
Darcy (voice) (1 eps)
Henry Corden
Danny Divine (voice) (1 eps)
Jack Angel
Jerry (voice) (1 eps)
Vernee Watson-Johnson
Sally (voice) (1 eps)
Hal Smith
Sidney Gaspar (voice) (1 eps)
Alan Young
Gaggy Rogers (voice) (1 eps)