Discover
John Loder
John Ryder
Lilian Oldland
Mollie Ryder
Donald Wolfit
Henry Camberley
Austin Trevor
Inspector Parker
Peter Haddon
Lord Peter Wimsey
Leslie Perrins
Maurice Windermere
Aubrey Mather
Bunter
Robb Wilton
Porter
Ralph Truman
Saunders
Ann Codrington
Desk Clerk
George De Warfaz
Chief of Foreign Police
Annie Esmond
Old Lady Passenger
Dorice Fordred
Camberly's Accomplice
Vincent Holman
Works Manager
Gordon McLeod
Commissioner
Howard Douglas
Ticket Inspector (uncredited)
Charles Paton
Man Holding Dogs (uncredited)
Directing
Reginald Denham
Director
Directing
Reginald Denham
Director