Cast
Jack Warner
Maj. Alec White
Nigel Patrick
Insp. Michael Kenyon
Ronald Adam
Mr. Bennett
Terence Longdon
A.P.O. at Customs Launch
Greta Gynt
Mme. Simonetta
Michael Hordern
Director of Customs
John Arnatt
Customs Officer (uncredited)
Arnold Diamond
French Customs Officer
Jacques Brunius
Det. Pierre Valance
John Singer
Seaman
Elizabeth Sellars
Rita Compton
Eric Pohlmann
Steven Lasovich
Jill Adams
Michael's Dance Partner (uncredited)
Nicholas Phipps
Royal Navy Information Officer
Terence Morgan
Roger Compton
Jacques Cey
Little Frenchman
John Horsley
Customs Officer
Denis Shaw
Ship's Cook
Theodore Bikel
Max
David Davies
(uncredited)
Robin Hunter
A.P.O.
Douglas Ives
Seaman
Lloyd Lamble
Captain of Python
Campbell Singer
Sergeant Dodson, River Police
Tom Gill
Montana Hotel Receptionist
Joyce Grenfell
Lady Flavia Queensway
Martin Boddey
Sub-Director Holt
Hal Osmond
Baggage Room Clerk
Ballard Berkeley
Cooper
Cyril Chamberlain
Customs Officer
Brian Wilde
Smuggler at Airfield