The Trans-Atlantic Mystery

Charles C. Wilson as Detective Doyle (uncredited) Donald Meek as Dr. Crabtree - Criminologist John Hamilton as Inspector Carr Harry T. Morey as Ship's Captain Ray Collins as Waite Walter Kingsford as Dodge - Miller's Valet (uncredited)

Joseph Henabery Director S.S. Van Dine Writer Burnet Hershey Dialogue Edwin B. DuPar Director of Photography