Dave

Principal Highburn

Mr. Pionconne

Additional Guard

Nicholas (voice) (3 episodes)

Richie (1 episode)

C.O. Dandleton (1 episode)

Sammy (1 episode)

John Woodburn

Chili Reuben (1 episode)

Dink Dippindots (1 episode)

Jimmy (1 episode)

John Perpton (1 episode)

Peter (1 episode)

Angelo Ciccolini (1 episode)

Tommy (1 episode)

Jerry (1 episode)

Balloon Vendor

Assistant M.E. Brooks (1 episode)

Extraction Room Technician

EMT (1 episode)

(13 episodes)