西德尼·波蒂埃

Sidney Poitier

饰：蒂白斯 Det. Virgil Tibbs

罗德·斯泰格尔

Rod Steiger

饰：警官盖尔斯 Police Chief Bill Gillespie

沃伦·奥茨

Warren Oates

饰：警官萨姆 Off. Sam Wood

斯科特·威尔森

Scott Wilson

饰：哈维 Harvey Oberst (murder suspect)

拉里·盖茨

Larry Gates

饰：Eric Endicott

威廉·沙勒特

William Schallert

饰：Mayor Webb Schubert

比·理查兹

Beah Richards

饰：Mama Caleba, aka Mrs. Bellamy

彼得·惠特尼

Peter Whitney

饰：Off. George Courtney

Kermit Murdock

饰：H.E. Henderson (banker)

Larry D. Mann

饰：Watkins

马特·克拉克

Matt Clark

饰：Packy Harrison - pool hall operator

阿瑟·马利特

Arthur Malet

饰：Ted Ulam (mortician)

弗雷德·斯图尔特

Fred Stewart

饰：Dr. Stuart

昆汀迪恩

Quentin Dean

饰：Delores Purdy

蒂莫西·斯科特

Timothy Scott

饰：Off. 'Shagbag' Martin

William Watson

饰：Off. Harold Courtney (as William C. Watson)

Eldon Quick

饰：Charlie Hawthorne (photographer)

斯图尔特·尼斯贝特

Stuart Nisbet

饰：Shuie

哈利勒·加尔比亚

Khalil Bezaleel

饰：Jess (black mechanic)

彼得·马斯特森

Peter Masterson

饰：Off. Arnold Fryer

杰斯特·海尔斯顿

Jester Hairston

饰：Henry (Endicott's butler)

Phil Adams

Phil Adams

饰：Tough #1

Nikita Knatz

Nikita Knatz

饰：Tough #2

Sammy Reese

饰：Clerk (as Sam Reese)

安东尼·詹姆斯

Anthony James

饰：Ralph Henshaw (diner counterman)

Buzz Barton

饰：Conductor (uncredited)

Philip Garris

饰：Engineer (uncredited)

Clegg Hoyt

饰：Deputy (uncredited)

Warren Kenner

Warren Kenner

饰：(uncredited)

Michael LeGlaire

Michael LeGlaire

饰：City Councilman (uncredited)

艾伦·欧朋海默

Alan Oppenheimer

饰：Ted Appleton (uncredited)

David Stinehart

David Stinehart

饰：Baggage master (uncredited)

Jack Teter

Jack Teter

饰：Philip Colbert (murder victim) (uncredited)

李·格兰特

Lee Grant

饰：Mrs. Colbert

詹姆斯·帕特森

James Patterson

James Patterson

饰：Mr. Purdy