• 
  Michael Powell

  Despatching Officer
• 
  Peter Ustinov

  The Priest
• 
  Googie Withers

  Jo de Vries
• 
  Arnold Marl

  Pieter Sluys
• 
  Joyce Redman

  Jet van Dieren
• 
  Roland Culver

  Naval Officer
• 
  John Longden

  Ground Officer
• 
  Stewart Rome

  Cmdr. Reynold

• 
  Eric Portman

  Tom Earnshaw, Copilot in B for Bertie
• 
  Hugh Burden

  John Glyn Haggard, Pilot in B for Bertie
• 
  Robert Helpmann

  De Jong
• 
  Gordon Jackson
• 
  Hay Petrie

  The Burgomaster
• 
  Bernard Miles

  Geoff Hickman, Front Gunner in B for Bertie
• 
  Pamela Brown

  Els Meertens

• 
  Alec Clunes

  The Organist
• 
  Selma Vaz Dias

  Burgomeister's wife (as Selma Van Dias)
• 
  Emrys Jones

  Bob Ashley - Radio Operator in B for Bertie
• 
  Godfrey Tearle

  Sir George Corbett - Rear Gunner in B for Bertie
• 
  Hugh Williams

  Frank Shelley - Observer