Scooby-Doo and Scrappy-Doo

Casey Kasem

Shaggy Rogers (voice)

Don Messick

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

Lennie Weinrib

Scrappy-Doo (voice)

Frank Welker

Fred Jones (voice)

Heather North

Daphne Blake (voice)

Patricia Stevens

Velma Dinkley (voice)

Marla Frumkin

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

John Stephenson

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

Michael Bell

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

Alan Oppenheimer

(voice) / Mr. Husai / Mr. Percy

Marilyn Schreffler

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

Jack Angel

Brandon Davies (voice) / Jerry Sloan

Pat Fraley

Howard Gruger / Blue Scarab / Tiger Morris

Stan Jones

Mr. Greenfield / Mr. Moss

Joan Gerber

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

William Callaway

Morgan the Magician / Mr Pratt

Ginny Tyler

Tessie

Louis Jourdan

Chuck

Marlene Aragon

Sally

Michael Rye

Crayton Aimes (voice)

William Woodson

Harrison Stone (voice)

Kenneth Mars

Director

Julie McWhirter

(voice)

Janet Waldo

(voice)

Scott Menville

(voice)

Peter Cullen

(voice: credit only)

Scatman Crothers

(voice)

Hamilton Camp

(voice)

Gay Autterson

(voice)

B.J. Ward

(voice)