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