Jack Warner
Maj. Alec White
Acting
Nigel Patrick
Insp. Michael Kenyon
Acting
Elizabeth Sellars
Rita Compton
Acting
Terence Morgan
Roger Compton
Acting
Greta Gynt
Mme. Simonetta
Acting
Theodore Bikel
Max
Acting
Eric Pohlmann
Steven Lasovich
Acting
Joyce Grenfell
Lady Flavia Queensway
Acting
Michael Hordern
Director of Customs
Acting
James Gilbert
Agent Larkins
Acting
Martin Boddey
Sub-Director Holt
Acting
Hal Osmond
Baggage Room Clerk
Acting
Jacques Brunius
Det. Pierre Valance
Acting
Ronald Adam
Mr. Bennett
Acting
Jill Adams
Michael's Dance Partner (uncredited)
Acting
John Arnatt
Customs Officer (uncredited)
Acting
Ballard Berkeley
Cooper
Acting
Jacques Cey
Little Frenchman
Acting
Cyril Chamberlain
Customs Officer
Acting
Philip Dale
A.P.O.
Acting
David Davies
(uncredited)
Acting
Guy De Monceau
Head Waiter (uncredited)
Acting
Arnold Diamond
French Customs Officer
Acting
Tom Gill
Montana Hotel Receptionist
Acting
Campbell Gray
Luigi
Acting
George Hilsdon
Police Driver (uncredited)
Acting
John Horsley
Customs Officer
Acting
Robin Hunter
A.P.O.
Acting
Douglas Ives
Seaman
Acting
Hamilton Keene
Cop at London Airport
Acting
Lloyd Lamble
Captain of Python
Acting
Terence Longdon
A.P.O. at Customs Launch
Acting
Nicholas Phipps
Royal Navy Information Officer
Writing
Denis Shaw
Ship's Cook
Acting
Campbell Singer
Sergeant Dodson, River Police
Acting
John Singer
Seaman
Acting
Philip Stainton
Seaburyness Police Sergeant
Acting
Herbert C. Walton
Old Man in Dungarees
Acting
Brian Wilde
Smuggler at Airfield
Acting
Joan Winmill Brown
W.S.O.
Acting