Una sull'altra

Jean Sorel

Dr. George Dumurrier

Marisa Mell

Susan Dumurrier / Monica Weston

Elsa Martinelli

Jane Bleeker

Alberto de Mendoza

Henry Dumurrier

John Ireland

Inspector Wald

Riccardo Cucciolla

Benjamin Wormser

Franco Balducci

Officer Loveday

Bill Vanders

Insurance Agent