The story of a harbor signalman who retrieves a suitcase full of money after witnessing a murder, fails to report it to the police, and finds himself the object of murderous and mercenary interest.
| Actor | Role |
|---|---|
 Robert NewtonBert Mallinson | Bert Mallinson |
 Simone SimonCamelia | Camelia |
 William HartnellJim Brown | Jim Brown |
 Marcel DalioInsp. Dupré | Insp. Dupré |
 Margaret BartonBetty Mallinson | Betty Mallinson |
 Edward RigbyTatem | Tatem |
 Charles VictorGeorge Gowshall | George Gowshall |
 Kathleen HarrisonMabel Slater | Mabel Slater |
 Irene HandlEthel Gowshall | Ethel Gowshall |
 Wylie WatsonFred | Fred |
 Leslie DwyerReg Slater | Reg Slater |
| EEdward LexyStationmaster | Stationmaster |
| DDave CrowleyTeddy | Teddy |
 John SalewCID Inspector | CID Inspector |
 George WoodbridgeJoe Frost, the butcher | Joe Frost, the butcher |
 Kathleen BoutallMrs. Frost | Mrs. Frost |
 Gladys HensonMrs. Titmuss | Mrs. Titmuss |