
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.
Genres:

Edmund Lowe as Harwood

Constance Cummings as Caryl Fenton

Thomy Bourdelle as Paul Turbé

Henry Oscar as Axel Hoyt

Felix Aylmer as Sir Charles Webber

O.B. Clarence as Registrar

Allan Jeayes as Wagner

Anthony Holles as Reception Clerk

David Horne as Hotel Manager

Edwin Laurence as Guildhall Guide

James Harcourt as Vicar

Margaret Davidge as Housekeeper (Uncredited)

Patrick Ludlow as Pilgrims of Peace Poet (Uncredited)

Phyllis Morris as Irate Bridge Player (Uncredited)

Joyce Kennedy as Elizabeth Wentworth
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