Helene Gingold
— Rev Christian St George / Saint George
Percy Moran
— RN Lieutenant Stephen English
Margaret Shelley
— Mary Marshall
Leonard Shepherd
— The Kaiser
Roy Travers
— The Kaiser's Foreign Secretary
Lionel d'Aragon
— Sir Charles Rosenbaum
Alfred Collins
— Secretary
Thomas Canning
— John Marshall
Helen Somers
— Mrs Marshall
Auguste McCoulough
— Walter Marshall
R. van Courtland
— Percy Marshall
Bertram Carter
— Submarine Commander
Frank Lyndon
— Azrael, Angel of Death