Sidney Poitier
Virgil Tibbs
Barbara McNair
Valerie Tibbs
Gerald S. O'Loughlin
Jack Pecora
Sheree North
Mrs. Morgan
Fred Beir
Bob Alford
Allen Garfield
Benjy
Bernie Hamilton
Lt. Jessop
Graham Jarvis
William Martin
Raúl Juliá
Juan Mendoza
Ron O'Neal
Joe Peralez
James A. Watson, Jr
Stacy Baker
Charles H. Gray
George Morgan
Jarion Monroe
Larry French
Daniel J. Travanti
Sgt. Chassman
Billy Green Bush
Dave Thomas
Max Gail
Rudy
Ross Hagen
Chet
Paul Jenkins
Tony
John Lasell
Zach Mills
Lani Miyazaki
Annie Sekido
Garry Walberg
Capt. Stacy
Demond Wilson
Charlie Blossom
George Spell
Andy Tibbs
Wanda Spell
Ginny Tibbs
Richard C. Adams
Dan
Johnny Haymer
John Bishop
John Alvin
Forensic Officer (uncredited)
Oscar Beregi Jr.
Andre (uncredited)
Mark Tapscott
Police Captain Grayson (uncredited)