'Rocks' Owen, the well-off owner of a car-hire business, is found murdered; the last place he was seen alive was the Blue Parrot nightclub. Scotland Yard go in to investigate, with the help of a visiting American detective and a nightclub hostess who may not be all she appears to be.
as Bob Herrick
as Maureen Maguire
as Supt. Chester
as Quinney
as Gloria
as Stevens
as Henry Carson
as Mrs. West
as Rocks Owen
as Guido "Taps" Campelli
as Carla
as Charlie
as Jim - Blue Parrot Doorman (uncredited)
as Blue Parrot Club Patron (uncredited)
as P.C. Jenkins (uncredited)