Cast e produzione
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Sidney PoitierVirgil Tibbs - Barbara McNairValerie Tibbs
- Gerald S. O'LoughlinJack Pecora
- Sheree NorthMrs. Morgan
- Fred BeirBob Alford
- Allen GarfieldBenjy
- Bernie HamiltonLt. Jessop
- Raúl JuliáJuan Mendoza
- Ron O'NealJoe Peralez
- James A. Watson Jr.Stacy Baker
- Charles H. GrayNight Watchman
- Daniel J. TravantiSgt. Chassman
- Billy Green BushDave Thomas
- Max GailRudy
- Ross HagenChet
- Paul JenkinsTony
- Garry WalbergCapt. Stacy
- Johnny HaymerJohn Bishop
- Don MedfordRegista
- Walter MirischProduzione
- James R. WebbSceneggiatura