A police captain poses as the valet of a friend who has been invited on a yacht cruise by a notorious schemer, whom the friend is afraid wants to murder him.
Jack Raine
Capt. Roger Peel
Jean Colin
Sylvia Paget
Jameson Thomas
Vernon Wolfe
Randle Ayrton
Captain MacDonnell
Carl Harbord
Arthur Wardell
Henry Victor
Count Boris Ivanoff
Allan Jeayes
Dr. Saunders
Maria Minetti
Countess Olga Karova
Charles Dormer
Nigel Menzies
Ivo Dawson
Colonel Paget
Edna Davies
Lisette - Maid
Syd Crossley
René Guissart
Director of Photography
Norman Walker
Director
Bruce Graeme
Novel
Monckton Hoffe
Dialogue
Eliot Stannard
Writer
Benn W. Levy
