Full cast of Scooby-Doo, Where Are You!

Casey Kasem

Shaggy Rogers (voice)

41 episodes

Don Messick

Scooby-Doo (voice)

41 episodes

Frank Welker

Fred Jones (voice)

41 episodes

Nicole Jaffe

Velma Dinkley (voice)

25 episodes

Heather North

Daphne Blake (voice)

24 episodes

Indira Stefanianna

Daphne Blake (voice)

17 episodes

Patricia Stevens

Velma Dinkley (voice)

16 episodes

John Stephenson

The Black Knight / Museum Worker (voice) / Samson the Strongman (voice) / John Simms / The Witch Doctor / Mano Tiki Tia (voice) / The Creeper (voice) / Butler / C.L. Magnus / The Ghost of Redbeard (voice) / The Mummy of Ankha (voice) / Sheriff / The Zombie (voice) / Viking Puppet / Pirate Puppet (voice) / Big Bob Oakley / Dracula / Werewolf (voice) / Professor Wayne / The Caveman (voice) / Stuart Wetherby / Ghost of Elias Kingston (voice) / Mr. Hyde / Dr. Jekyll (voice)

12 episodes

Hal Smith

Cosgood Creeps / Green Ghosts (voice) / Farmer (voice) / Big Ben (voice) / The Phantom / Bluestone the Great (voice) / Mr. Greenway (voice) / The Headless Specter / Asa Shanks / Phony Phantom (voice)

6 episodes

Jean Vander Pyl

Swami Customer (voice) / Princess's Owner (voice) / Sarah Jenkins (voice) / Mrs. Cutler (voice) / Candy Mint (voice)

5 episodes

Vic Perrin

Carl / The Ape Man (voice) / Dr. Najib (voice) / Pietro / The Puppet Master (voice) / The Snow Ghost / Fu Lan Chi / Mr. Leech / Yeti (voice)

4 episodes

Barry Richards

The Ghost Clown (voice) (uncredited) / Ghost of Geronimo (voice) (uncredited)

2 episodes

June Foray

Gypsy Fortune Teller (voice) (uncredited)

1 episode

Susan Stewart

Helga (voice)

1 episode

Keye Luke

Zen Tuo / Mr. Fong (voice) (uncredited)

1 episode

Michael Stull

The Wax Phantom (voice)

1 episode