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