71 minutes
7/1/1937
Undercover agent Robert Leyland entraps crooks trying to sneak expensive goods past customs on transatlantic crossings. After Leyland falls for reluctant smuggler Barbara Standish, he convinces her to return with him to France with her cache of diamonds. But she is unaware of a network of thieves onboard their ship, competing against each other to make off with her jewels.

James Mason
as Robert Leyland
Viki Dobson
as Barbara Standish
Eddie Pola
as 'Terrible' Tony Canzari

Finlay Currie
as Al Parson
John Warwick
as Eddie 'Babyface' Fallon

Margaret Rutherford
as 'Crafty' Maggie Carberry
Paul Blake
as Cornwallis
James Mageean
as Ben
Eva Hudson
as Manzanilla
Paul Sheridan
as Fournival
Peter Popp
as Bertram Plush
Bernard Merefield
as Mr Lowry, Ship's Purser
Charles Sewell
as Ship's Captain
Zoe Wynn
as Lenore Kendall
Jack Lester
as Superintendent Welbekker