Godfrey Tearle as Sir George Corbett, Rear Gunner in B for Bertie

Eric Portman as Tom Earnshaw, Copilot in B for Bertie

Hugh Williams as Frank Shelley, Observer / Navigator in B for Bertie

Bernard Miles as Geoff Hickman, Front Gunner in B for Bertie

Hugh Burden as John Glyn Haggard, Pilot in B for Bertie

Peter Ustinov as The Priest

Googie Withers as Jo de Vries

Pamela Brown as Els Meertens

Joyce Redman as Jet van Dieren

Robert Beatty as Sgt. Hopkins

Robert Helpmann as De Jong

Emrys Jones as Bob Ashley, Radio Operator in B for Bertie

Hay Petrie as The Burgomaster

Selma Vaz Dias as Burgomeister's Wife

Arnold Marlé as Pieter Sluys

Alec Clunes as The Organist

Hector Abbas as Driver

James B. Carson as Louis

Willem Akkerman as Willem

Joan Akkerman as Maartje

John Salew as German Sentry

David Ward as 1st German Airman

Roland Culver as Naval Officer

Michael Powell as Despatching Officer

Stewart Rome as Cmndr. Reynold

James Donald as (uncredited)

Gordon Jackson as (uncredited)

John Longden as Ground Officer (uncredited)