Mary Badham as Scout Finch

Gregory Peck as Atticus Finch

Phillip Alford as Jem

John Megna as Dill Harris

Frank Overton as Sheriff Heck Tate

Brock Peters as Tom Robinson

Rosemary Murphy as Maudie Atkinson

Ruth White as Mrs. Dubose

Estelle Evans as Calpurnia

Paul Fix as Judge Taylor

Collin Wilcox Paxton as Mayella Violet Ewell

James Anderson as Bob Ewell

Alice Ghostley as Aunt Stephanie Crawford

Robert Duvall as Boo Radley

William Windom as Mr. Gilmer

Crahan Denton as Walter Cunningham Sr.

Richard Hale as Nathan Radley

R. L. Armstrong as Man (uncredited)

Walter Bacon as Courtroom Spectator (uncredited)

Eddie Baker as Courtroom Spectator (uncredited)

Bobby Barber as Courtroom Spectator (uncredited)

John Barton as Courtroom Spectator (uncredited)

Audrey Betz as Courtroom Spectator (uncredited)

Danny Borzage as Courtroom Spectator (uncredited)

John Breen as Juror (uncredited)

Jess Cavin as Juror (uncredited)

Noble 'Kid' Chissell as Courtroom Spectator (uncredited)

Steve Condit as Walter Cunningham Jr. (uncredited)

David Crawford as David Robinson (uncredited)

Frank Ellis as Juror (uncredited)

Charles Fredericks as Court Clerk (uncredited)

Herman Hack as Courtroom Spectator (uncredited)

Jester Hairston as Spence Robinson (uncredited)

Chuck Hamilton as Courtroom Spectator (uncredited)

Kim Hamilton as Helen Robinson (uncredited)

Kim Hector as Cecil Jacobs (uncredited)

Michael Jeffers as Courtroom Spectator (uncredited)

Dick Johnstone as Courtroom Spectator (uncredited)

Chester Jones as Courtroom Spectator (uncredited)

Colin Kenny as Courtroom Spectator (uncredited)

Ethan Laidlaw as Townsman (uncredited)

Nancy Marshall as Schoolteacher (uncredited)

Clyde McLeod as Courtroom Spectator (uncredited)

Charles Morton as Courtroom Spectator (uncredited)

Paulene Myers as Jesse (uncredited)

William H. O'Brien as Courtroom Spectator (uncredited)

Charles Perry as Juror (uncredited)

Joe Ploski as Courtroom Spectator (uncredited)

Hugh Sanders as Dr. Reynolds (uncredited)

Barry Seltzer as Schoolboy (uncredited)

Edward C. Short as Courtroom Spectator (uncredited)

Mabel Smaney as Courtroom Spectator (uncredited)

Eddie Smith as Courtroom Spectator (uncredited)

Walter Smith as Courtroom Spectator (uncredited)

Cap Somers as Courtroom Spectator (uncredited)

George Sowards as Courtroom Spectator (uncredited)

Ray Spiker as Townsman (uncredited)

Kim Stanley as Scout as an Adult - Narrator (voice) (uncredited)

Kelly Thordsen as Burly Mob Member (uncredited)

Arthur Tovey as Juror (uncredited)

George Tracy as Townsman (uncredited)

Sailor Vincent as Courtroom Spectator (uncredited)

Max Wagner as Courtroom Spectator (uncredited)

Bill Walker as Reverend Sykes (uncredited)

Joe Walls as Bailiff (uncredited)

Dan White as Mob Leader (uncredited)

Guy Wilkerson as Jury Foreman (uncredited)

Chalky Williams as Courtroom Spectator (uncredited)

Raoul Freeman as Courtroom Spectator (uncredited)