Hugh Griffith
O'Shea
Peter O'Toole
Capt. Monty Fitch
Colin Gordon
Benge
John Le Mesurier
Green
Arthur Lowe
Bank Official (uncredited)
Aldo Ray
Charles Norgate
Miles Malleson
Assistant Curator
Andrew Keir
Sergeant of the Guard
Albert Sharpe
Albert Tosher Sparrow
Joseph Tomelty
Cohoun
Kieron Moore
Walsh
Elizabeth Sellars
Iris Muldoon