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

Agnes

George Hilsdon