Spencer Tracy

Henry Drummond

Fredric March

Matthew Harrison Brady

Gene Kelly

E.K. Hornbeck

Dick York

Bertram T. Cates

Donna Anderson

Rachel Brown

Harry Morgan

Judge Mel

Claude Akins

Rev. Jeremiah Brown

Elliott Reid

Prosecutor Tom Davenport

Paul Hartman

Bailiff Mort Meeker

Philip Coolidge

Mayor Jason Carter

Jimmy Boyd

Howard

Noah Beery Jr.

John Stebbins

Norman Fell

WGN Radio Technician

Hope Summers

Mrs. Krebs - Righteous Townswoman

Ray Teal

Jessie H. Dunlap

Renee Godfrey

Mrs. Stebbins

Florence Eldridge

Sarah Brady

Eddie Baker

Courtroom Reporter (uncredited)

Frank Baker

Townsman (uncredited)

Gail Bonney

Fundamentalist Woman (uncredited)

Chet Brandenburg

Courtroom Spectator (uncredited)

George Calliga

Courtroom Spectator (uncredited)

Lester Dorr

Dr. John (uncredited)

George Dunn

Banker / Critic at Town Meeting (uncredited)

Donald Elson

Bollinger (uncredited)

Adolph Faylauer

Courtroom Reporter (uncredited)

Joseph Hamilton

Man Yelling at Brady Welcome (uncredited)

Earle Hodgins

Dr. Britton's Tonic Spieler with Chimp (uncredited)

Wendell Holmes

Banker - Critic at City Meeting (uncredited)

Shep Houghton

Townsman (uncredited)

Colin Kenny

Courtroom Spectator (uncredited)

Hank Mann

Townsman (uncredited)

Harp McGuire

Harry Esterbrook (uncredited)

Frank Mills

Courtroom Spectator (uncredited)

Robert Osterloh

Sam - Deputy Arresting Cates (uncredited)

Harry 'Snub' Pollard

Townsman (uncredited)

Addison Richards

Townsman (uncredited)

Leoda Richards

Woman Diner (uncredited)

Scott Seaton

Courtroom Spectator (uncredited)

Bert Stevens

Courtroom Spectator (uncredited)

Hal Taggart

Juror (uncredited)

Harry Tenbrook

Courtroom Spectator (uncredited)

Charles Wagenheim

Hotel Clerk (uncredited)

Will Wright

Bible Salesman (uncredited)