Full cast of Scooby-Doo and Scrappy-Doo

Casey Kasem

Shaggy Rogers (voice)

115 episodes

Don Messick

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

115 episodes

Frank Welker

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

28 episodes

Heather North

Daphne Blake (voice) / (voice)

17 episodes

Lennie Weinrib

Scrappy-Doo (voice)

16 episodes

Patricia Stevens

Velma Dinkley (voice)

11 episodes

Marla Frumkin

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

6 episodes

John Stephenson

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

5 episodes

Michael Bell

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

3 episodes

Alan Oppenheimer

(voice) / Mr. Percy / Mr. Husai

3 episodes

Marilyn Schreffler

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

3 episodes

Pat Fraley

Howard Gruger / Blue Scarab / Tiger Morris

2 episodes

Jack Angel

Brandon Davies (voice) / Jerry Sloan

2 episodes

Stan Jones

Mr. Greenfield / Mr. Moss

2 episodes

William Callaway

Mr Pratt / Morgan the Magician

2 episodes

Joan Gerber

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

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