Clyde (archive footage)

(1 episode)

Mr. Berry

The Jester

Harold Kane

Mr. Fegivney (1 episode)

(1 episode)

(1 episode)

(1 episode)

Mertons

Clyde King

Becker

Self - Guest (3 episodes)

Jason

Mr. Bester

Aaron Grimes / Ira Greebe

Wilbur Mott

Self (1 episode)

Wally Haverstraw (1 episode)

Self (2 episodes)

Peter (1 episode)

Self (1 episode)

Rock Barnett (1 episode)

Wally Manley (1 episode)

Gustav Vandemeer (1 episode)

Tommy Tucker (1 episode)

Mr. Wampler

Tourist (1 episode)

(1 episode)

Alfred (1 episode)

Technical Adviser (Married 14 years)

Herbie (1 episode)

Scoutmaster

Little John Doe (1 episode)

(1 episode)

Self (6 episodes)

Tiabo (1 episode)

Terry Targo (1 episode)

Professor P. Caspar Biddle (2 episodes)

Self (1 episode)

(1 episode)

(1 episode)

Seaman Merlin Queffle

Dr. Ambach

Self (2 episodes)

Ferguson

Ralph Bundy

(125 episodes)

Underdog (Voice) (62 episodes)

James Elwood (1 episode)

Harold Tuttle (1 episode)

Count Carlo Szipesti (1 episode)

Dr. Heresford Handy (1 episode)

Preacher Goodman

Self (2 episodes)

Hipplewaite

Shoe Salesman

Self (1 episode)

Messenger 7013 (1 episode)

Self (1 episode)

Vincent Eaglewood (1 episode)

Leslie Nettleton (1 episode)

Self (3 episodes)

(2 episodes)

Hiram Holliday (23 episodes)

Self (1 episode)

Grumio, the Toymaker

(1 episode)

Peter

Monroe Winkler (1 episode)

Grumio, the Toymaker

Self - Panelist (1 episode)

Self (2 episodes)

(1 episode)

Robinson Peepers (48 episodes)

Self (1 episode)

Self (3 episodes)

(1 episode)

(1 episode)

Ace McCoy (1 episode)