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)

Marcel Varnel