 Sidney PoitierVirgil Tibbs | Virgil Tibbs |
 Martin LandauLogan Sharpe | Logan Sharpe |
 Barbara McNairValerie Tibbs | Valerie Tibbs |
 Anthony ZerbeRice Weedon | Rice Weedon |
 Ed AsnerWoody Garfield | Woody Garfield |
 Jeff CoreyCaptain Marden | Captain Marden |
 Norma CraneMarge Garfield | Marge Garfield |
 Juano HernándezMealie Williamson | Mealie Williamson |
 David SheinerLt. Herb Kenner | Lt. Herb Kenner |
 Beverly ToddPuff | Puff |
 Ted GehringInspector Deutsch | Inspector Deutsch |
| LLinda TowneJoy Sturges | Joy Sturges |
 Garry WalbergMedical Examiner | Medical Examiner |
 George SpellAndy Tibbs | Andy Tibbs |
| WWanda SpellGinger Tibbs | Ginger Tibbs |
 John HillermanReporter (uncredited) | Reporter (uncredited) |
 Hilly HicksFreddie (uncredited) | Freddie (uncredited) |
 John AlvinReporter (uncredited) | Reporter (uncredited) |
| TTed ChristyPool Hall Patron (uncredited) | Pool Hall Patron (uncredited) |
| VVic ChristyPool Hall Patron (uncredited) | Pool Hall Patron (uncredited) |
| MMichael L. DavisPolice Sergeant at Campaign HQ (uncredited) | Police Sergeant at Campaign HQ (uncredited) |
| DDick DialCarson (uncredited) | Carson (uncredited) |
| MMickey GoldenPool Player (uncredited) | Pool Player (uncredited) |
 Don HanmerPusher (uncredited) | Pusher (uncredited) |
 Carol HenryPool Hall Patron (uncredited) | Pool Hall Patron (uncredited) |
| HHenry LeffReporter (uncredited) | Reporter (uncredited) |
| MMartin StraderPool Hall Patron (uncredited) | Pool Hall Patron (uncredited) |
| KKevin G. TraceyPool Hall Patron (uncredited) | Pool Hall Patron (uncredited) |
| EErick VintherCameraman (uncredited) | Cameraman (uncredited) |
 Al WhiteSpectator Outside Church (uncredited) | Spectator Outside Church (uncredited) |
