Leslie Banks

John Barrington

Jeanne De Casalis

Mrs. Barrington

Carla Lehmann

Helen Barrington (as Carla Lehman)

Alastair Sim

Charles Dimble

John Mills

Flt·Lieut. Perry

George Cole

Ronald

Michael Wilding

Alan Trently

Frank Cellier

John Forest

Muriel Aked

Miss Fernery

Wally Patch

Evans

Muriel George

Mrs. Trimm

Hay Petrie

Dr. Truscott

Catherine Lacey

Mrs. Stokes

Annie Esmond

Lady Wrapping Parcels For The Bazaar (uncredited)

Peter Gawthorne

Senior RAF Officer (uncredited)

Arthur Hambling

Scotland Yard Inspector (uncredited)

Roddy Hughes

German Agent (uncredited)

Sydney King

Ministry Official (uncredited)

Brefni O'Rorke

Scottish Police Inspector (uncredited)

Charles Rolfe

German Agent (uncredited)

Sydney Tafler

RAF Officer (uncredited)

Ben Williams

Scottish Fisherman (uncredited)