| 角色 | 饰演者 | 角色介绍 |
| Peter Neal | 安东尼·弗兰西欧萨 | |
| Gianni | Christian Borromeo | |
| Tilde | Mirella D'Angelo | |
| Jane McKerrow | Veronica Lario | |
| Elsa Manni | Ania Pieroni | |
| Girl on Beach | Eva Robins | |
| Detective Altieri | Carola Stagnaro | |
| Christiano Berti | John Steiner | |
| Maria Alboretto | 娜拉·温德尔 | |
| Bullmer | 约翰·萨克松 | |
| Anne | Daria Nicolodi | |
| Detective Germani | 朱利安诺·基玛 | |
| Bullmer's secretary | Isabella Amadeo | |
| Marion | Mirella Banti | |
| Department Store Manager | Ennio Girolami | |
| John | Marino Masé | |
| Alboretto the porter | Fulvio Mingozzi | |
| Coroner | Gianpaolo Saccarola | |
| Prostitute | Ippolita Santarelli | |
| Narrator (Italian version)/Murderer's Hands (voice) (uncredited) | 达里欧·阿基多 | |
| Elevator Repairman #1 (uncredited) | 兰帕德·帕瓦 |
