Derek Prentice

as Doctor in Lecture (uncredited)

as Head Waiter

as Aircraft Passenger (uncredited)

as 1st Class Passenger (uncredited)

as Mr Donaldson

as Doctor (uncredited)

as Scientist (uncredited)

as TV Reporter at Radio Show (uncredited)

as Cpl Jones

as Keller's butler

as Hall Porter

as Old Man (uncredited)

as Swiss Attache