George Nader
Paul Gregory
Maggie Smith
Bridget Howard
Bernard Lee
Victor Sloane, alias Lee Henderson
Geoffrey Keen
Inspector Scott
Bessie Love
Harriet P. Jefferson
Harry H. Corbett
Sullivan
Andrée Melly
Rosa, cocktail waitress
Lionel Jeffries
Pet Shop Owner (uncredited)
Barbara Hicks
George Hilsdon
Glyn Houston
Noel Howlett
Oliver Johnston
Lily Kann
Harry Locke
Howard Marion-Crawford
Lane Meddick
Charles Price
Maggie Rennie
Guy Standeven
John Welsh