Terry-Thomas

Archibald Bannister

Sonja Ziemann

Michele Cooper

Alex Nicol

Edward Kennedy

Richard Briers

Jamieson

Honor Blackman

Sister Sheila Bryan

Guy Deghy

Nick Ivanovitch

Carol White

Beryl

Clive Morton

Hatfield

Geoffrey Keen

Foster

Martin Benson

Rahman

Eduard Linkers

Linkers

Vincent Ball

Dr. Blake

Michael Ripper

Yacht Skipper

Andrew Faulds

Ralph

Julie Alexander

Stewardess

Barbara Hicks

Margery (uncredited)

Jacqueline Jones

Miss Forsythe (uncredited)

Roland Brand

US Sergeant (uncredited)