John Barrington

Leslie Banks

Charles Dimble

Alastair Sim

Mrs. Marguerite Barrington

Jeanne De Casalis

Flt-Lieut. George Perry

John Mills

Helen Barrington (as Carla Lehman)

Carla Lehmann

Alan Trently

Michael Wilding

Helen Barrington

Carla Lehman

Ronald Mittsby

George Cole

Mrs. Stokes

Catherine Lacey

John Forest

Frank Cellier

Miss Fernery

Muriel Aked

Evans, the Butler

Wally Patch

Mrs. Trimm

Muriel George

Dr. Truscott

Hay Petrie

Alan Trentley

Michael Wilding, Sr.

Lady Wrapping Parcels For The Bazaar (uncredited)

Annie Esmond

Senior RAF Officer (uncredited)

Peter Gawthorne

Scotland Yard Inspector (uncredited)

Arthur Hambling

German Agent (uncredited)

Roddy Hughes

Ministry Official (uncredited)

Sydney King

Scottish Police Inspector (uncredited)

Brefni O'Rorke

German Agent (uncredited)

Charles Rolfe

RAF Officer (uncredited)

Sydney Tafler

Scottish Fisherman (uncredited)

Ben Williams