Lennie Weinrib (44)

Scrappy-Doo (voice)

Casey Kasem (47)

Shaggy Rogers (voice)

Don Messick (53)

Scooby-Doo / Scrappy-Doo (voice) / Scooby-Doo (voice)

Heather North (28)

Daphne Blake (voice) / (voice)

Frank Welker (33)

Fred Jones (voice) / Deputy Dusty / (voice)

Ginny Tyler (54)

Tessie

Patricia Stevens (34)

Velma Dinkley (voice)

Michael Bell (41)

Stage-Hand / Professor Carver (voice) / Joey Cassette / Eddie Drake / Sky Skeleton

Pat Fraley (30)

Howard Gruger / Blue Scarab / Tiger Morris

Jack Angel (48)

Brandon Davies (voice) / Jerry Sloan

Stan Jones (52)

Mr. Moss / Mr. Greenfield

Louis Jourdan (58)

Chuck

Marla Frumkin

Velma Dinkley (voice) / Wendy Airs / Archaeologist (voice)

Alan Oppenheimer (49)

(voice) / Mr. Husai / Mr. Percy

Marlene Aragon

Sally

John Stephenson (56)

Nick Papas / Lord Silvertree / McGee (voice) / Chef / Sylvester / Miguel Valdez

Marilyn Schreffler (34)

Girlfriend / Young Girlfriend (voice) / Lorraine / Amelia Parmer

Michael Rye (61)

Crayton Aimes (voice)

William Woodson (62)

Harrison Stone (voice)

William Callaway (39)

Morgan the Magician / Mr Pratt

Joan Gerber (44)

Lefty Callahan / Mrs. Cornell / Vampire / (voice)

Kenneth Mars (44)

Director

Julie McWhirter (31)

(voice)

Janet Waldo (60)

(voice)

Scott Menville (8)

(voice)

Peter Cullen (38)

(voice: credit only)

Scatman Crothers (69)

(voice)

Hamilton Camp (44)

(voice)

Gay Autterson (36)

(voice)

B.J. Ward (35)

(voice)