Stu Gilliam

as Self, Vocals, Vocal Coach

as (voice) (archive footage)

as Dr. Jones

as Desmond

as Cabbie (1 episode)

as Lester Poindexter

as Curly (voice)

as Silky, the pimp

as Freddie 'Curly' Neal / Super Sphere (voice) (13 episodes)

as Cousin Charley Adams

as Dolan

as Robinson

as Dr. Hiro's Driver (1 episode)

as Gary (1 episode), as Willie Spencer (1 episode)

as Policeman

as Deputy Billy Van Middlespoon

as Man #1

as Cpl. 'Sweet' Williams (12 episodes)

as Announcer

as Curly Neal (voice) (3 episodes)

as Ralph Wilcox

as Harley Davis (1 episode), as Leroy (1 episode)

as Regular Performer (26 episodes)

as Billy (1 episode)