| Det. Virgil Tibbs | 西德尼·波蒂埃
 | |
| Police Chief Bill Gillespie | 罗德·斯泰格尔
 | |
| Off. Sam Wood | 沃伦·奥茨
 | |
| Mrs. Leslie Colbert | 李·格兰特
 | |
| Harvey Oberst (murder suspect) | 斯科特·威尔森
 | |
| Eric Endicott | Larry Gates | |
| Purdy (Delores' brother) | James Patterson | |
| Mayor Webb Schubert | William Schallert | |
| Mama Caleba aka Mrs. Bellamy | 比尤拉·理查兹
 | |
| Off. George Courtney | Peter Whitney | |
| H.E. Henderson (banker) | Kermit Murdock | |
| Watkins | Larry D. Mann | |
| Packy Harrison - pool hall operator | Matt Clark | |
| Ted Ulam (mortician) | Arthur Malet
 | |
| Dr. Stuart | Fred Stewart | |
| Delores Purdy | Quentin Dean
 | |
| Off. 'Shagbag' Martin | Tim Scott | |
| Off. Harold Courtney (as William C. Watson) | William Watson | |
| Charlie Hawthorne (photographer) | Eldon Quick | |
| Shuie | Stuart Nisbet | |
| Jess (black mechanic) | Khalil Bezaleel | |
| Off. Arnold Fryer | 彼得·马斯特森
 | |
| Henry (Endicott's butler) | Jester Hairston | |
| Tough #1 | Phil Adams | |
| Tough #2 | Nikita Knatz | |
| Clerk (as Sam Reese) | Sammy Reese | |
| Ralph Henshaw (diner counterman) | Anthony James | |
| Conductor (uncredited) | Buzz Barton | |
| Engineer (uncredited) | Philip Garris | |
