Spencer Tracy
Role: Henry Drummond
Fredric March
Role: Matthew Harrison Brady
Gene Kelly
Role: E.K. Hornbeck
Dick York
Role: Bertram T. Cates
Donna Anderson
Role: Rachel Brown
Harry Morgan
Role: Judge Mel
Claude Akins
Role: Rev. Jeremiah Brown
Elliott Reid
Role: Prosecutor Tom Davenport
Paul Hartman
Role: Bailiff Mort Meeker
Philip Coolidge
Role: Mayor Jason Carter
Noah Beery Jr.
Role: John Stebbins
Norman Fell
Role: WGN Radio Technician
Gordon Polk
Role: George Sillers
Hope Summers
Role: Mrs. Krebs - Righteous Townswoman
Ray Teal
Role: Jessie H. Dunlap
Renee Godfrey
Role: Mrs. Stebbins
Florence Eldridge
Role: Sarah Brady
John Alban
Role: Courtroom Spectator (uncredited)
Leon Alton
Role: Townsman (uncredited)
Don Anderson
Role: Courtroom Reporter (uncredited)
Eddie Baker
Role: Courtroom Reporter (uncredited)
Frank Baker
Role: Townsman (uncredited)
John Barton
Role: Townsman (uncredited)
Brandon Beach
Role: Townsman (uncredited)
Gail Bonney
Role: Fundamentalist Woman (uncredited)
Chet Brandenburg
Role: Courtroom Spectator (uncredited)
Brad Brown
Role: Courtroom Photographer (uncredited)
Buck Bucko
Role: Townsman (uncredited)
George Calliga
Role: Courtroom Spectator (uncredited)
Dick Cherney
Role: Townsman (uncredited)
Oliver Cross
Role: Courtroom Reporter (uncredited)
Jack Daly
Role: Eskimo Pie Vendor in Courtroom (uncredited)
Jack Deery
Role: Townsman (uncredited)
Lester Dorr
Role: Dr. John (uncredited)
George Dunn
Role: Banker / Critic at Town Meeting (uncredited)
Donald Elson
Role: Bollinger (uncredited)
Adolph Faylauer
Role: Courtroom Reporter (uncredited)
Duke Fishman
Role: Courtroom Spectator (uncredited)
Raoul Freeman
Role: Courtroom Spectator (uncredited)
David Fresco
Role: Threatening Spectator (uncredited)
Kay Garrett
Role: Courtroom Spectator (uncredited)
Richard George
Role: Young Farmer Carrying Burning Effigy (uncredited)
Helen Gereghty
Role: Courtroom Spectator (uncredited)
Joseph Glick
Role: Courtroom Spectator (uncredited)
James Gonzalez
Role: Scientist (uncredited)
Signe Hack
Role: Townswoman (uncredited)
Stuart Hall
Role: Dr. Amos Keller (uncredited)
Joseph Hamilton
Role: Man Yelling at Brady Welcome (uncredited)
Sam Harris
Role: Townsman (uncredited)
Earle Hodgins
Role: Dr. Britton's Tonic Spieler with Chimp (uncredited)
Tex Holden
Role: Townsman (uncredited)
Wendell Holmes
Role: Banker - Critic at City Meeting (uncredited)
Shep Houghton
Role: Townsman (uncredited)
Colin Kenny
Role: Courtroom Spectator (uncredited)
Johnny Kern
Role: Courtroom Spectator (uncredited)
Perk Lazelle
Role: Townsman (uncredited)
King Lockwood
Role: Courtroom Spectator (uncredited)
Hank Mann
Role: Townsman (uncredited)
Sandee Marriott
Role: Courtroom Spectator (uncredited)
Thomas Martin
Role: Reporter in Courtroom (uncredited)
Harp McGuire
Role: Harry Esterbrook (uncredited)
Frank Mills
Role: Courtroom Spectator (uncredited)
Hans Moebus
Role: Townsman (uncredited)
Robert Osterloh
Role: Sam - Deputy Arresting Cates (uncredited)
Stephen Paylow
Role: Courtroom Spectator (uncredited)
Bob Perry
Role: Courtroom Reporter (uncredited)
Joe Ploski
Role: Courtroom Spectator (uncredited)
Harry 'Snub' Pollard
Role: Townsman (uncredited)
Paul Power
Role: Courtroom Spectator (uncredited)
Waclaw Rekwart
Role: Courtroom Reporter (uncredited)
John Rice
Role: Townsman (uncredited)
Addison Richards
Role: Townsman (uncredited)
Leoda Richards
Role: Woman Diner (uncredited)
Robert Robinson
Role: Townsman (uncredited)
Scott Seaton
Role: Courtroom Spectator (uncredited)
Leslie Sketchley
Role: Bailiff (uncredited)
Stephen Soldi
Role: Courtroom Reporter (uncredited)
Rudy Sooter
Role: Courtroom Reporter (uncredited)
Bert Stevens
Role: Courtroom Spectator (uncredited)
Hal Taggart
Role: Juror (uncredited)
Harry Tenbrook
Role: Courtroom Spectator (uncredited)
George Tracy
Role: Courtroom Spectator (uncredited)
Charles Wagenheim
Role: Hotel Clerk (uncredited)
Justice Watson
Role: Hillsboro Salesman (uncredited)
Will Wright
Role: Bible Salesman (uncredited)