George Formby

George Hepplewhite

Phyllis Calvert

Mary Wilson

Garry Marsh

Mendez

Romney Brent

Slim Selwyn

Bernard Lee

Oscar

Coral Browne

Iris

Helena Pickard

Oscar's Wife

Percy Walsh

Schwartz, Spy Chieftain

Diana Beaumont

Greta, Hotel Receptionist

Torin Thatcher

U-Boat Commander

Donald Calthrop

Frederick Strickland

Hal Gordon

Alf Arbuckle, Dinky Do

Johnnie Schofield

Solicitous Steward

Daniel Brown

Baker (uncredited)

Alec Clunes

Officer (uncredited)

Walter Fitzgerald

Dockside Policeman (uncredited)

Ian Fleming

Col. Harcourt (uncredited)

Jack Hobbs

Conway (uncredited)

James Knight

Passenger On SS Macaulay (uncredited)

Albert Lieven

German Radio Operator (uncredited)

Charles Paton

Simion (uncredited)

Lloyd Pearson

Hotel Manager (uncredited)

Bill Shine

Untipped Steward (uncredited)

Ronald Shiner

Musician (uncredited)

Ben Williams

Radio Operator On SS Macaulay (uncredited)

Ian Wilson

Parker, Dinky Do (uncredited)