Jeff Bryan Davis

as Sigma

as Ritchy Round

as Tom

as Boneweevil (30 episodes)

as Goodman Steve (1 episode)

as Wrestling Announcer (1 episode)

as Dirk (1 episode)

as Sheriff Maynard

as Self

as Simple Rick's Narrator (voice) (1 episode)

as Self (1 episode)

as Self (40 episodes)

as Polka Dots (voice) / Super Dan (voice) (12 episodes)

as Joel

as Tony Solinsky (1 episode)

as Self (40 episodes)

as Dr. Victor Frankenstein (voice) (19 episodes)

as Simon (1 episode)

as Undercover Cop (1 episode)

as Jeff (1 episode)

as Backwater

as Self (1 episode), as Himself (1 episode)

as Anchorman #1 (1 episode)

as Marty

as Waiter (1 episode), as D.A. (2 episodes), as Crying Boyfriend (1 episode)