Sidney Poitier character Virgil Tibbs
Rod Steiger character Bill Gillespie
Warren Oates character Sam Wood
Lee Grant character Leslie Colbert
Larry Gates character Eric Endicott
James Patterson character Mr. Purdy
William Schallert character Mayor Schubert
Beah Richards character Mama Caleba
Peter Whitney character Courtney
Kermit Murdock character Henderson
Larry D. Mann character Watkins
Matt Clark character Packy
Arthur Malet character Ulam
Fred Stewart character Dr. Stuart
Quentin Dean character Delores
Scott Wilson character Harvey Oberst
Anthony James character Ralph
Timothy Scott character Shagbag
William Watson character McNeil
Eldon Quick character Charles Hawthorne
Stuart Nisbet character Shuie
Khalil Bezaleel character Jess
Peter Masterson character Fryer
Jester Hairston character Endicott's Butler
Phil Adams character 1st Tough
Nikita Knatz character 2nd Tough
Sam Reese character Clerk
Alan Oppenheimer character Ted Appleton (uncredited)
Clegg Hoyt character Deputy (uncredited)
