An ocean liner is found at sea with everyone on board dead. An investigation is begun to find out what happened.
John Halliday
as Maximilian Kreig
Charles Ruggles
as Blackie Witherspoon
Shirley Grey
as Lili Kingston
Neil Hamilton
as James Cowles
Jack La Rue
as Gregory Cordoff
Verree Teasdale
as Millicent Hazlitt
Stanley Fields
as Capt. Swanson
Leila Bennett
as Lena Klein
Morgan Wallace
as Morton Hazlitt
Thomas E. Jackson
as Capt. Derick Alison
William Janney
as Edward Wilson
Paul Hurst
as Boatswain
