Walker Edmiston

as (voice)

as Marty (voice) (1 episode)

as Azulon (voice) (1 episode)

as Bob Frank / Whizzer (voice) (3 episodes)

as Cop / Neighbor / Prosecutor (voice) (uncredited)

as Trucker

as Radio Announcer (voice)

as (voice)

as Narrator

as Harry S. Truman

as Inferno (voice)

as Citizen / Thug Guard (voice)

as Sir Thornberry (voice) (6 episodes)

as Sebastian (voice) (120 episodes)

as Dr. Hatfield (1 episode)

as Announcer

as (voice) (2 episodes)

as Fred Zinnemann

as Warner

as Algernon (voice) (13 episodes)

as Witch's Encyclopedia / Old Salt / Mayor (voice)

as Sheriff Paterson (1 episode)

as 2nd Electrician

as Additional Voices (voice) (13 episodes)

as (voice)