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
Alec Clunes
Officer
Walter Fitzgerald
Dockside Policeman
Ian Fleming
Col. Harcourt
Jack Hobbs
Conway
James Knight
Passenger On SS Macaulay
Albert Lieven
German radio operator
Charles Paton
Simion
Lloyd Pearson
Hotel Manager
Bill Shine
Untipped steward
Ronald Shiner
Musician
Ben Williams
Radio Operator On SS Macaulay
Ian Wilson
Parker, Dinky Do