Don Messick
Scooby-Doo
Nicole Jaffe
Velma Dinkley
Frank Welker
Fred Jones
Heather North
Daphne Blake
Casey Kasem
Norville 'Shaggy' Rogers
John Stephenson
Morgan/Winslow/Selby
Henry Corden
Redcoat Ghost
Ted Knight
Ghost of Paul Reveer
Mike Road
Minuteman Ghost
Lennie Weinrib
Uncle Nathaniel
Joan Gerber
Additional Voices
Florence Halop
Additional Voices
L
Larry Harmon
Additional Voices
Pat Harrington Jr.
Additional Voices
Ann Jillian
Additional Voices
Jim MacGeorge
Additional Voices
C
Cindy Putman
Additional Voices
Olan Soule
Additional Voices
Vincent Van Patten
Additional Voices