Claude Hulbert

Llewellyn Davies, 'The Admiral'

Michael Wilding

Johnny

Carla Lehmann

Jane

Tommy Trinder

Tommy Taylor

Jeanne De Casalis

Mrs. Pilkington

Henry Hewitt

Prof. Pilkington

John Laurie

McNab

James Hayter

Hans

Brian Fitzpatrick

Digby

Harold Warrender

Pilot's Mate

Eric Clavering

Bartender

John Glyn-Jones

Best Man

Julian Vedey

Resident of Tangier

John Wengraf

German Captain

Manning Whiley

German Commdr.

Victor Fairley

German Petty Officer

Robert Rendel

British Captain

Allan Jeayes

British Commdr.

Alec Clunes

British Pilot

Derek Elphinstone

British Observer

Jonny Bloor

Minor Role (uncredited)

Harold Coyne

Sailor (uncredited)

E. V. H. Emmett

Newsreel Commentator (voice)

Danny Green

Nightclub Bouncer (uncredited)

Bryan Herbert

Petty Officer on HMS Ferocious (uncredited)

Olaf Olsen

Minor Role (uncredited)

Tao Porchon

Minor Role (uncredited)

Johnnie Schofield

Officer Reading Heliograph Message (uncredited)