The dangerous world of international heroin trafficking is exposed in this elaborate and suspenseful crime thriller which reprises Sidney Poitier's role as Lt. Virgil Tibbs.
- Cinematographer: Joseph F. Biroc
- Art Director: George B. Chan
- Set Decorator : Marvin March
- Director: Don Medford
- Composer: Gil Melle
- Producer: Walter Mirisch
- Editor: Ferris Webster
- Screenplay: James R. Webb
