(archive footage) (1 episode)

Shaggy Rogers (voice) (archive footage)

(19 episodes)

Shaggy Rogers (voice) (archive footage)

Shaggy Rogers (voice)

Mark

(1 episode)

Vocalist (voice) (uncredited) (1 episode)

Self (voice)

Colton Rogers (voice) (5 episodes)

Shaggy Rogers (voice) (uncredited)

Shaggy (voice)

Shaggy Rogers (voice)

Shaggy Rogers (voice)

(1 episode)

Uncle Albert (voice) (26 episodes)

Shaggy Rogers (voice)

(2 episodes)

Shaggy Rogers (voice)

Shaggy Rogers

Shaggy Rogers (voice)

Shaggy Rogers (voice)

Shaggy (voice)

Shaggy Rogers (voice)

Shaggy (voice)

Shaggy Rogers (voice) (42 episodes)

(voice: credit only) (1 episode)

Shaggy (archive footage) (uncredited)

Wedding DJ (voice)

Casey Kasem

Radio Announcer

Bill Romano

Shaggy Rogers (voice) (1 episode)

(1 episode)

Casey Kasem (1 episode)

Self

Casey Kasem (1 episode)

(segment 'Space Traders')

Shaggy Rogers (voice)

Self - Cameo (uncredited) (1 episode)

(2 episodes)

Flakey Flakem (voice) (1 episode)

Himself (1 episode)

Additional Voices (voice)

Casey Kasem (2 episodes)

Shaggy Rogers (voice)

Shaggy Rogers / Mirror Monster (voice)

Shaggy Rogers (voice) (30 episodes)

Shaggy (voice)

Cliffjumper (voice)

himself

(1 episode)

Robin (voice) (10 episodes)

Shaggy Rogers (voice) (13 episodes)

Shaggy Rogers (voice)

(1 episode)

Cliffjumper / Bluestreak / Teletraan 1 (92 episodes)

Shaggy Rogers (voice) (26 episodes)

Casey Kasem (voice)

(1 episode)

Shaggy Rogers (voice) (26 episodes)

Shaggy Rogers (13 episodes)

Announcer (voice) (66 episodes)

Shaggy Rogers (voice) (21 episodes)

Meriadoc 'Merry' Brandybuck (voice)

Host (20 episodes)

Producer (20 episodes)

Creator

(voice) (16 episodes)

Shaggy Rogers (voice)

Monty Marble (voice)

(8 episodes)

Shaggy Rogers (voice) (115 episodes)

Police Pathologist

Brian Parker

Tom Rogers (1 episode)

Mark (voice) (85 episodes)

(32 episodes)

Additional Voices (voice) (1 episode)

Tony Brock (1 episode)

Paul Hamilton (2 episodes)

(60 episodes)

Shaggy Rogers (voice) (94 episodes)

D.J. aka Midnight Bird

Sy Wallace (1 episode)

Sobhe (1 episode)

Shaggy Rogers / Additional Voices (voice) (32 episodes)

(20 episodes)

Casey Kasem

Uncas (voice)

Mercury Theatre Player

(1 episode)

(voice)

(31 episodes)

Freddie Dryden (1 episode)

Larry Swift (1 episode)

Narrator (voice)

Robin (voice) (109 episodes)

Birnie

Shaggy Rogers / Ling-Poo (Voice)

Shaggy (voice) (24 episodes)

Alexander Cabot III (voice) (16 episodes)

Mission Control Officer

Ken

Peter Cottontail (voice)

Conrad

Alexander Cabot III (voice) (16 episodes)

Phil

Shaggy Rogers (voice) (41 episodes)

Dexter Carter (voice) (32 episodes)

Groove (101 episodes)

Keg's Brother

Executive Producer

Knife

Disc Jockey

Robin / Chief O'Hara (voice) (34 episodes)

(1 episode)

Mouth