Scooby-Doo and Scrappy-Doo

Don Messick

Scooby-Doo / Scrappy-Doo (voice) (99 episodes), Scooby-Doo (voice) (16 episodes), (voice) (1 episode)

Casey Kasem

Shaggy Rogers (voice) (115 episodes), (voice) (1 episode)

Frank Welker

Fred Jones (voice) (16 episodes), Deputy Dusty (11 episodes), (voice) (1 episode)

Lennie Weinrib

Scrappy-Doo (voice) (16 episodes)

Heather North

Daphne Blake (voice) (16 episodes), (voice) (1 episode)

Patricia Stevens

Velma Dinkley (voice) (11 episodes)

Marla Frumkin

Velma Dinkley (voice) (4 episodes), Archaeologist (voice) (1 episode), Wendy Airs (1 episode)

John Stephenson

Nick Papas / Lord Silvertree (1 episode), Sylvester (1 episode), Chef (1 episode), McGee (voice) (1 episode), Miguel Valdez (1 episode)

Marilyn Schreffler

Lorraine (1 episode), Girlfriend / Young Girlfriend (voice) (1 episode), Amelia Parmer (1 episode)

Michael Bell

Joey Cassette (1 episode), Stage-Hand / Professor Carver (voice) (1 episode), Eddie Drake / Sky Skeleton (1 episode)

Alan Oppenheimer

Mr. Husai (1 episode), (voice) (1 episode), Mr. Percy (1 episode)

William Callaway

Mr Pratt (1 episode), Morgan the Magician (1 episode)

Joan Gerber

(voice) (1 episode), Lefty Callahan / Mrs. Cornell / Vampire (1 episode)

Stan Jones

Mr. Moss (1 episode), Mr. Greenfield (1 episode)

Pat Fraley

Tiger Morris (1 episode), Howard Gruger / Blue Scarab (1 episode)

Jack Angel

Brandon Davies (voice) (1 episode), Jerry Sloan (1 episode)

Kenneth Mars

Director (1 episode)

Louis Jourdan

Chuck (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)

Ginny Tyler

Tessie (1 episode)

Marlene Aragon

Sally (1 episode)

Michael Rye

Crayton Aimes (voice) (1 episode)

William Woodson

Harrison Stone (voice) (1 episode)

William Hanna

Executive producer (100 episodes)

Joseph Barbera

Executive producer (100 episodes)

Don Jurwich

Producer (55 episodes)

Joe Ruby

Executive producer (39 episodes)

Ken Spears

Executive producer (39 episodes)

Glenn Leopold

Writer (15 episodes), Writers' Production (1 episode)

Mark Evanier

Writer (15 episodes)

Willie Gilbert

Writer (10 episodes)

Diane Duane

Writer (10 episodes)

Mark Jones

Writer (7 episodes)

Doug Booth

Writer (3 episodes)

Jack Enyart

Writer (1 episode)

Oscar Dufau

Writer (1 episode)

Davis Doi

Writers' Production (1 episode)