Richard Arlen
— John 'Captain' Martin
Greta Gynt
— Peggy Mason
Donald Houston
— Michael Mallard
Edwin Richfield
— Daller
Michael Balfour
— Bennett, short henchman
Arnold Adrian
— Mark, tall henchman
Mary Germaine
— Margaret Lane
Sydney Bromley
— Enson
Vincent Ball
— Williams
Elspet Gray
— June Mallard
Antony Viccars
— Detective-Inspector Hunt
Howard Lang
— Marne