Cast
Jim Dale
Agent Carstairs
Jill Mai Meredith
Cigarette Girl
Anthony Baird
Guard
Fred Haggerty
Dr. Crow's Assistant (uncredited)
Judith Furse
Dr. Crow
Bernard Cribbins
Agent Harold Crump
Kenneth Williams
Agent Desmond Simpkins
Tutte Lemkow
Man in Marketplace (uncredited)
Renée Houston
Funhouse Madame
Charles Hawtrey
Agent Charlie Bind
Eric Barker
The Chief
Eric Pohlmann
Emile Fauzak, the "Fat Man"
Gertan Klauber
Code Clerk
Victor Maddern
Milchmann
Frank Forsyth
Professor Stark
Norman Mitchell
Native Policeman / Algerian Gent
Barbara Windsor
Agent Daphne Honeybutt
Richard Wattis
Cobley
John Bluthal
Head Waiter / Dr. Crow (voice)
Tom Clegg
Funhouse Doorman
Nora Gordon
Elderly Woman (uncredited)