Gregory Peck
Atticus Finch
Mary Badham
Jean Louise "Scout" Finch
Phillip Alford
Jeremy Atticus "Jem" Finch
John Megna
Charles Baker "Dill" Harris
Brock Peters
Thomas "Tom" Robinson
James Anderson
Robert E. Lee "Bob" Ewell
Estelle Evans
Calpurnia
Collin Wilcox Paxton
Mayella Violet Ewell
Frank Overton
Sheriff Heck Tate
Rosemary Murphy
Miss Maude "Maudie" Atkinson
Ruth White
Mrs. Henry Lafayette Dubose
Robert Duvall
Arthur "Boo" Radley
Paul Fix
Judge John Taylor
Alice Ghostley
Aunt Stephanie Crawford
William Windom
Mr. Horace Gilmer
Crahan Denton
Walter Cunningham Sr.
Richard Hale
Nathan Radley
R.L. Armstrong
Man (uncredited)
Eddie Baker
Courtroom Spectator (uncredited)
Bobby Barber
Danny Borzage
John Breen
Juror (uncredited)
Jess Cavin
Steve Condit
Walter Cunningham Jr. (uncredited)
David Crawford
David Robinson (uncredited)
Frank Ellis
Charles Fredericks
Court Clerk (uncredited)
Herman Hack
Jester Hairston
Spence Robinson - Tom's Father (uncredited)
Chuck Hamilton
Kim Hamilton
Helen Robinson - Tom's Wife (uncredited)
Michael Jeffers
Dick Johnstone
Colin Kenny
Ethan Laidlaw
Townsman (uncredited)
Nancy Marshall
Schoolteacher (uncredited)
Charles Morton
Paulene Myers
Jesse - Dubose Servant Girl (uncredited)
William H. O'Brien
Joe Ploski
Hugh Sanders
Dr. Reynolds (uncredited)
Mabel Smaney
Cap Somers
George Sowards
Ray Spiker
Kim Stanley
Scout as an Adult - Narrator (voice) (uncredited)
Kelly Thordsen
Burly Mob Member (uncredited)
Arthur Tovey
Sailor Vincent
Max Wagner
Bill Walker
Reverend Sykes (uncredited)
Joe Walls
Bailiff (uncredited)
Dan White
Mob Leader (uncredited)
Guy Wilkerson
Jury Foreman (uncredited)
Chalky Williams
Audrey Betz