Rufus

Superintendent Collins (2 episodes)

Mayor Billy Black (3 episodes)

Dr. Andrew Jayhan (1 episode)

Walter (1 episode)

Mr. Russeau

Mike Batowski (1 episode)

Don Todd (9 episodes)

Reginald (1 episode)

Wiliam Richards (1 episode)

Kevin Freeman (uncredited) (1 episode)

Kevin Freeman (1 episode)

Writer (1 episode)

Dr. Freeman / Microwave Oven (voice) (1 episode)

Dr. Bernardi (1 episode)

Red Star Systems Techie

William Dent (172 episodes)

Dr. Osher (1 episode)

Don

Agent Hart (1 episode)

(1 episode)

Music Store Owner (1 episode)

Architect

Leon Sykes Pettibone (18 episodes)

Froman (1 episode)

Virgil's Friend