| 角色 | 饰演者 | 角色介绍 |
| Tracy Whitney (as Madolyn Smith) | Madolyn Smith-Osborne | |
| Jeff Stevens | 汤姆·贝伦杰 | |
| Daniel Cooper | 大卫·凯斯 | |
| Insp. André Trignant | 连姆·尼森 | |
| Uncle Willie | Jack Weston | |
| Gunther Hartog | Richard Kiley | |
| Joe Romano | Joseph Cortese | |
| Anthony Orsatti | George DiCenzo | |
| Louise Hollander | Susan Hess | |
| Budge Hollander | 杰弗瑞·琼斯 | |
| Charles Stanhope | 约翰·拉夫林 | |
| Bertha | 苏珊·蒂雷尔 | |
| Al | Harold Sylvester | |
| Warden Brannigan | Lane Smith | |
| Ernestine Littlechap (as C.C.H. Pounder) | 希·庞德  | |
| Perry Pope | Frank Dent | |
| Mrs. Stanhope | Alice Hirson | |
| Zeller | Barry Jenner | |
| Mr. Stanhope | James Ray | |
| Charlotte | Anne Schedeen | |
| Paula | Lois Foraker | |
| Lola | Silvana Gallardo | |
| Trevor | Julian Holloway | |
| Silvana Luadi | Diane Keen | |
| Alberto Fornati | Philip Madoc | |
| Gladys (guard) | Sandy Martin | |
| Carlton Hotel clerk | Nicolas Amer | |
| Guard in diamond factory | Cyril Appleton | |
| Lester | Chip Arnold | |
| Judge Lawrence | Michael Audley | |
| Priest | Bill Bailey | |
| Woman in diamond factory | Gay Baynes | |
| Maximillian Pierpont | 乔治·巴克 | |
| Conrad Morgan | Peter Banks | |
| Commissioner Willems | Peter Birrel | |
| Ackerman | Ivan Bonar | |
| Personnel manager | Raleigh Bond |
