Full cast of Scooby-Doo and Scrappy-Doo

Casey Kasem

Shaggy Rogers (voice)

167 episodes

Don Messick

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

115 episodes

Frank Welker

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

27 episodes

Lennie Weinrib

Scrappy-Doo (voice)

16 episodes

Heather North

Daphne Blake (voice) / (voice)

16 episodes

Patricia Stevens

Velma Dinkley (voice)

11 episodes

Marla Frumkin

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

6 episodes

John Stephenson

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

5 episodes

Michael Bell

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

3 episodes

Alan Oppenheimer

(voice) / Mr. Percy / Mr. Husai

3 episodes

Marilyn Schreffler

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

3 episodes

Pat Fraley

Tiger Morris / Howard Gruger / Blue Scarab

2 episodes

Jack Angel

Brandon Davies (voice) / Jerry Sloan

2 episodes

Stan Jones

Mr. Moss / Mr. Greenfield

2 episodes

William Callaway

Morgan the Magician / Mr Pratt

2 episodes

Joan Gerber

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

2 episodes

Ginny Tyler

Tessie

1 episode

Louis Jourdan

Chuck

1 episode

Marlene Aragon

Sally

1 episode

Michael Rye

Crayton Aimes (voice)

1 episode

William Woodson

Harrison Stone (voice)

1 episode

Kenneth Mars

Director

1 episode

Julie McWhirter

(voice)

1 episode

Janet Waldo

(voice)

1 episode

Scott Menville

(voice)

1 episode

Peter Cullen

(voice: credit only)

1 episode

Scatman Crothers

(voice)

1 episode

Hamilton Camp

(voice)

1 episode

Gay Autterson

(voice)

1 episode

B.J. Ward

(voice)

1 episode