Rod Taylor

as Brian Ian "Boysie" Oakes

Trevor Howard

as Mostyn

Jill St. John

as Iris MacIntosh

Wilfrid Hyde-White

as Chief

Eric Sykes

as Griffen

John Le Mesurier

as Chekhov

Derek Nimmo

as Fly

David Tomlinson

as Quadrant

Akim Tamiroff

as Sheriek

Gabriella Licudi

as Corale

Jennifer Jayne

as Janice Benedict

Suzy Kendall

as Judith

Richard Wattis

as Flying Instructor

Jeremy Lloyd

as Male Secretary

Heller Toren

as Benedict's Assistant

Betty McDowall

as Frances Anne Chandler

Daniel Emilfork

as Gregory

Jo Rowbottom

as Betty

Colin Gordon

as Vicar

Louise Dunn

as Jessie

Scot Finch

as Operations Officer

Ronald Leigh-Hunt

as Mac

David Langton

as Station Commander

Alexandra Bastedo

as Radio Operator

Tony Wright

as Flight Control