Jack Buchanan
— Captain Maitland
Greta Gynt
— Mary Carlton
Fred Emney
— Adm. Sir Reginald Hewett
Kay Walsh
— Fay Eaton
Leslie Fuller
— Marine Ogg
David Hutcheson
— Cmdr. Baddeley
Bruce Seton
— Captain Randall
Martita Hunt
— Lady Elizabeth Hewett
Louise Hampton
— Charlotte Hopkinson
Romney Brent
— Ah Fong
Jean Gillie
— Betty Hewett
Ronald Shiner
— Engineer
Reginald Purdell
— Cpl Duckett
Howard Lang
— Sailor (uncredited)