奥利维娅·德哈维兰饰演影片中的两个角色。姐姐和她的孪生妹妹卷入一场谋杀案，警探必须找出哪一个才是真正的凶手......
Olivia de Havilland
Terry Collins / Ruth Collins
Lew Ayres
Scott Elliott
Thomas Mitchell
Lieutenant Stevenson
Richard Long
Rusty
Charles Evans
Girard
Garry Owen
Franklin
Lela Bliss
Mrs. Didriksen
Lester Allen
George Benson
Bess Flowers
Nightclub Patron (uncredited)
Ida Moore
Mrs. O'Brien (uncredited)
Jean Andren
Girard's Secretary (uncredited)
Marta Mitrovich
Miss Beade (uncredited)
Jack Gargan
Waiter (uncredited)
William Halligan
Sergeant Temple (uncredited)
