Ed Harwood, a wisecracking private investigator from New York, discovers a crime at a hotel in Nice during a carnival. The unraveling of the mystery which lies behind will lead him and Caryl Fenton, a female insurance agent, who will become his companion, first to Paris, then to London, later through the English countryside and finally to Southampton, in search of a criminal train wrecker.
Edmund Lowe
Constance Cummings
Thomy Bourdelle
Henry Oscar
Felix Aylmer
O.B. Clarence
Allan Jeayes
Anthony Holles
David Horne
Edwin Laurence
James Harcourt
Margaret Davidge
Patrick Ludlow
Phyllis Morris
Joyce Kennedy