Charles Norgate
Aldo Ray
Iris Muldoon
Elizabeth Sellars
Sergeant of the Guard
Andrew Keir
O'Shea
Hugh Griffith
Bank Official (uncredited)
Arthur Lowe
Capt. Monty Fitch
Peter O'Toole
Walsh
Kieron Moore
Albert Tosher Sparrow
Albert Sharpe
Cohoun
Joseph Tomelty
Dr. Hagen
Wolf Frees
Green
John Le Mesurier
Assistant Curator
Miles Malleson
Benge
Colin Gordon
Adaptation
Richard Maibaum
Casting
Irene Howard
Director of Photography
Georges Périnal
Director
John Guillermin
Novel
John Brophy
Howard Clewes
Screenplay
Editor
Frank Clarke
Producer
Jules Buck
Associate Producer
Dora Wright
Original Music Composer
Edwin Astley
Second Assistant Director
Charles Blair