Allan Mitchell

as Pigeon

as Wagstaffe

as Dr. Kerr

as Engineer (uncredited)

as Detective Sergeant

as Harkness

as Professor

as Jackson

as Headmaster

as Wagstaffe

as Dr Michael Woods

as Dr Michael Woods

as Ted Sturton

as Colonel Ridgewell

as Security Chief

as Mr Lewis

as Doctor

as Desk Sergeant

as Mr Bakewell

as Consultant

as Boulder

as Policeman