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