Howie Mandel (1 episode)

Self (1 episode)

Self - Contestant (1 episode)

Self - Banker (1 episode)

Self - Celebrity Guest (1 episode)

Self

Self (1 episode)

Self - Judge (8 episodes)

Barry

Self (1 episode)

Self (1 episode)

Self (4 episodes)

Self - Guest Judge (1 episode)

Self - Rock Lobster (1 episode)

Self - Judge (9 episodes)

Self (1 episode)

Self (5 episodes)

Self (2 episodes)

Self - Guest Host (1 episode)

Self (1 episode)

Apresentador (10 episodes)

Self (1 episode)

Self - Judge (36 episodes)

Father Bear (voice)

Self - Guest (1 episode)

(1 episode)

Self (5 episodes)

Himself

Himself (1 episode)

Executive Producer (8 episodes)

Self

Self - Host

Self (7 episodes)

Howie Mandel (voice) (1 episode)

Self (1 episode)

Self (1 episode)

Self - Guest (1 episode)

Himself

(7 episodes)

Self - Guest (1 episode)

(1 episode)

Self - Guest (1 episode)

Self

Howie Mandel (1 episode)

Self

Self (2 episodes)

Self (1 episode)

Self - Host (1 episode)

The Duke of Kent

Self (5 episodes)

Executive Producer (28 episodes)

Creator

Howie Mandel (1 episode)

Self (1 episode)

Self - Judge

Judge

Self (3 episodes)

Host (11 episodes)

Creator

Self - Owner of Lola (1 episode)

Self (1 episode)

(1 episode)

Self - Judge (418 episodes)

Self - Panelist (1 episode)

Self (1 episode)

Self - Host (1 episode)

Self (1 episode)

Self (1 episode)

Ralph Roberts (2 episodes)

Howie Mandel (1 episode)

(1 episode)

Howie Mandel (1 episode)

Himself - Host (5 episodes)

Self - Guest (1 episode)

Self (1 episode)

Self (2 episodes)

Self (1 episode)

Self (1 episode)

Self (4 episodes)

Self - Guest (2 episodes)

Self (7 episodes)

Self - Guest (1 episode)

Self (1 episode)

Self - Host (234 episodes)

Self (2 episodes)

Self (11 episodes)

Self (4 episodes)

Executive Producer (5 episodes)

Self - Guest (5 episodes)

Spencer (voice)

The Sandman

Marty Levinne

Comet (voice)

Jack (voice)

Jason Quincy

Howie Mandel

Self (uncredited) (1 episode)

Howie Mandel (1 episode)

Karl Durand (1 episode)

Mr. Mxyzptlk (1 episode)

Stuart Wyler (16 episodes)

(1 episode)

Charlie

Executive Producer

Interior Decorator (1 episode)

Moe

Sam-I-Am (voice)

Danny Klay

Danny Klay (10 episodes)

Mealy (voice)

The Professor (11 episodes)

Creator

Self

Self (3 episodes)

Ernie Lapidus (13 episodes)

Bobby / Howard (voice) (81 episodes)

Producer (81 episodes)

Writer (81 episodes)

Creator

Gizmo (voice)

Humpty Dumpty

Steve (38 episodes)

Maurice

(1 episode)

Writer

Bobo Shand

Self

Locker Room Guy

Self (1 episode)

Wienerhead Waldo

Dennis Powell

Himself

Self - Presenter (1 episode)

Wienerhead Waldo (1 episode)

Guest Interviewee (1 episode)

Narrator (voice)

Self

Writer

Executive Producer

Baby Animal / Baby Bunsen (voice) (13 episodes)

Self (uncredited)

Gizmo (voice)

Self (2 episodes)

Larry Pound

Wayne Fiscus (137 episodes)

Self

Matt Lloyd