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