"The murders are committed in swift succession on board a liner crossing the Atlantic in a dense fog, and many of the passengers come under suspicion before the actual killer is bought to justice with the aid of a very substantial "ghost.""
Mary Brian
as Mary Fulton
Donald Cook
as Wentworth Brown
Reginald Denny
as Dr. Winstay
Robert McWade
as Alonzo Holt
Helen Freeman
as Madame Alva
Maude Eburne
as Mrs. Jackson
G. Pat Collins
as Mullaney
Edwin Maxwell
as Ship Captain
Samuel S. Hinds
as Dickens
Marjorie Gateson
as Mrs. Bentley
C. Montague Shaw
as Ship's Doctor
Albert S. Rogell
Director
Benjamin H. Kline
Director of Photography
Ethel Hill
Screenplay
Dore Schary
Dorothy Rice Sims
Story
Valentine Williams
Robert North
Associate Producer
Sid Rogell
Supervising Producer
Richard Cahoon
Editor
Robert Kalloch
Costume Design
Arthur S. Black Jr.
Assistant Director
Edward Bernds
Sound Recordist