Chief William O. 'Bill' Gillespie
Chief of Detectives Virgil Tibbs (as Howard Rollins)
Lt. V.L. 'Bubba' Skinner
Althea Tibbs
Officer Parker Williams
Cpl. Wilson Sweet
Sgt. Lonnie Jamison
Calvin Peterson
Off. Charles Ryan
Sgt. Lou D'Agostino
Off. Brian Kasch (as Jeffrey Hayenga)
Dep. Chief Harlan Cassidy
Capt. Brad Jenkins
Dwight Walker
Celia Walker (as Olivia Virgil Harper)
Ruth Peterson
Ray Nuguchi
Michael Edwards
Desk Sergeant
Mama Cimino
Hannah
Officer Roberts
Self - Tony brubaker
Lt. Herne (uncredited)
Off. Parker (uncredited)