Kenyon is a narcotics agent who, with the aid of a titled bird-watcher attempts to trap a brother and sister drug smuggling team.
Jack Warner
as Maj. Alec White
Nigel Patrick
as Insp. Michael Kenyon
Elizabeth Sellars
as Rita Compton
Terence Morgan
as Roger Compton
Greta Gynt
as Mme. Simonetta
Theodore Bikel
as Max
Eric Pohlmann
as Steven Lasovich
Joyce Grenfell
as Lady Flavia Queensway
Michael Hordern
as Director of Customs
James Gilbert
as Agent Larkins
Martin Boddey
as Sub-Director Holt
Hal Osmond
as Baggage Room Clerk
