Allan Mitchell

as Pigeon

as Boulder

as Ted Sturton

as Consultant

as Dr. Kerr (1 episode)

as Colonel Ridgewell (1 episode)

as Headmaster

as Dr Michael Woods (1 episode)

as Dr Michael Woods (1 episode)

as Doctor

as Desk Sergeant

as Harkness

as Mr Lewis (4 episodes)

as Jackson

as Detective Sergeant (1 episode)

as Professor (1 episode)

as Security Chief (1 episode)

as Mr Bakewell (1 episode)

as Wagstaffe

as Engineer (uncredited)

as Policeman (1 episode)

as Wagstaffe (1 episode)