Virgil Tibbs
Sidney Poitier
Police Chief Bill Gillespie
Rod Steiger
Delores Purdy
Quentin Dean
Henderson
Kermit Murdock
Watkins
Larry D. Mann
Packy
Matt Clark
Mama Caleba
Beah Richards
Ulam
Arthur Malet
Dr. Stuart
Fred Stewart
Shagbag
Timothy Scott
McNeil
William Watson
Charles Hawthorne
Eldon Quick
Deputy Sam Wood
Warren Oates
Endicott's Butler
Jester Hairston
Shuie
Stuart Nisbet
Jess
Khalil Bezaleel
Fryer
Peter Masterson
1st Tough
Phil Adams
2nd Tough
Nikita Knatz
Clerk
Sam Reese
Philip Colbert (uncredited)
Jack Teter
Ted Appleton (uncredited)
Alan Oppenheimer
Deputy (uncredited)
Clegg Hoyt
Deputy Courtney
Peter Whitney
Conductor (uncredited)
Buzz Barton
Mrs. Leslie Colbert
Lee Grant
Ralph
Anthony James
Mayor Schubert
William Schallert
Harvey Oberst
Scott Wilson
Eric Endicott
Larry Gates
Mr. Purdy
James Patterson
Lyricist
Marilyn Bergman
Casting
Lynn Stalmaster
Director of Photography
Haskell Wexler
Screenplay
Stirling Silliphant
Alan Bergman
Producer
Walter Mirisch
Vocals
Ray Charles
Editor
Hal Ashby
Producer's Assistant
Original Music Composer
Quincy Jones
Songs
Director
Norman Jewison
Novel
John Ball
Art Direction
Paul Groesse
Set Decoration
Robert Priestley
Makeup Artist
Del Armstrong
Costume Design
Alan Levine
Production Manager
Jim Henderling
Sound
Walter Goss
Kevin F. Cleary
Production Supervisor
Allen K. Wood
Unit Production Manager
Howard Joslin
Sound Re-Recording Mixer
Clem Portman
Production Illustrator
Joseph Musso
Charles Cooper
Grip
Morris Rosen
Stunts
John Moio
Gaffer
Don Stott
Music Editor
Richard Carruth
Ross A. Maehl
Assistant Editor
Byron 'Buzz' Brandt
Script Supervisor
Meta Rebner
Camera Operator
Ralph Gerling
Title Designer
Wayne Fitzgerald
Props
Stephen R. Ferry
Sound Editor
James A. Richards
Murray Naidich
Second Assistant Director
Newt Arnold
First Assistant Director
Terry Morse Jr.