Trevor Howard

Harry Scobie

Elizabeth Allan

Louise Scobie

Denholm Elliott

Wilson

Peter Finch

Father Rank

Maria Schell

Helen Rolt

Gérard Oury

Yusef

George Coulouris

Portuguese Captain

Michael Hordern

Commissioner

Jane Henderson

Miss Malcot (uncredited)

Earl Cameron

Ali

Judith Furse

Dr Sykes

George More O'Ferrall