Colin Grant
Nick Mason
Iris Whitney
Lady Barrett-Smythe
Commissioner Hope (as Sir Guy Standing)
Arthur Bradley
George Rubens
Thomas Roberts
The Duchess
Detective (uncredited)
Undetermined Role (uncredited)
Nick's landlady (uncredited)
Carstairs (uncredited)
Headwaiter (uncredited)
Bit Role (uncredited)
Dance Extra (uncredited)
Nishi (uncredited)
Waiter (uncredited)
