Virgil Tibbs
Police Chief Bill Gillespie
Deputy Sam Wood
Deputy Courtney
Mrs. Leslie Colbert
Ralph
Mayor Schubert
Harvey Oberst
Eric Endicott
Mr. Purdy
Delores Purdy
Henderson
Watkins
Packy
Mama Caleba
Ulam
Dr. Stuart
Shagbag
McNeil
Charles Hawthorne
Endicott's Butler
Shuie
Jess
Fryer
1st Tough
2nd Tough
Clerk
Philip Colbert (uncredited)
Ted Appleton (uncredited)
Deputy (uncredited)
Conductor (uncredited)