| 角色 | 饰演者 | 角色介绍 |
| Amy Jensen | Caitlin O'Heaney | |
| Ray Carlton (the killer) | Tom Rolfing | |
| Det. Len Gamble | Lewis Arlt | |
| Marvin | 唐·斯卡迪诺 | |
| Nancy | Elizabeth Kemp | |
| Joyce | Patsy Pease | |
| Prof. Carl Mason | 詹姆斯·瑞布霍恩 | |
| Elliot | 汤姆·汉克斯 | |
| Diane | Dana Barron | |
| Ralph (the tailor) | Joseph Leon | |
| Det. Frank Daley | Paul Gleason | |
| Phil | James Carroll | |
| Bernie | Brian Byers | |
| Tommy | Curt Hostetter | |
| Ruthie | Robin Lamont | |
| Marie | Robin Tilghman | |
| Det. Thompson | Peter Gumeny | |
| Father McKenna | John Bottoms | |
| Debra (girl in car) | Debbie Novak | |
| Donny (boy in car) | Russell Todd | |
| Joanne Carlton-Gamble | Dorian Lopinto | |
| Ice cream vendor (as Jamie Haskins) | James R. Haskin | |
| Dance teacher | Barbara Quinn | |
| Coroner's assistant | Laurie Faso | |
| Detective | Anthony Pullen Shaw | |
| Detective | Ron Englehardt | |
| Detective | Michael Fiorello | |
| Young man (as Steve W. James) | Steve James | |
| Young woman | Karen Evans Kandel | |
| Young cop | Gordon Keys | |
| Professor's wife | Suzanne Lukather | |
| Sickle killer | Michael Eiler | |
| Guest at party | Patricia Benson | |
| Wedding guest | Vic Di Milia | |
| Wedding guest | Joe Di Milia | |
| Wedding guest | Rick D'Aversa |
