- Spencer Tracy
- Adam Bonner
- Katharine Hepburn
- Amanda Bonner
- Judy Holliday
- Doris Attinger
- Tom Ewell
- Warren Attinger
- David Wayne
- Kip Lurie
- Jean Hagen
- Beryl Caighn
- Hope Emerson
- Olympia La Pere
- Eve March
- Grace
- Clarence Kolb
- Judge Reiser
- Emerson Treacy
- Jules Frikke
- Polly Moran
- Mrs. McGrath
- Will Wright
- Judge Marcasson
- Elizabeth Flournoy
- Dr. Margaret Brodeigh
- Edward Andrews
- Kip's neighbor
- Bonnie Bannon
- Woman in Courtroom
- Charles Bastin
- Young District Attorney
- Harry Baum
- Commuter
- Joseph E. Bernard
- Mr. Bonner - Adam's Father
- Madge Blake
- Mrs. Bonner - Adam's Mother
- Harris Brown
- Court Attendant
- David Clarke
- Roy
- Harry Cody
- Criminal Attorney
- Dick Cogan
- Reporter
- Paul Cramer
- Stenographer
- Bert Davidson
- Subway Guard
- Roger Davis
- Paul Hurlock
- Janna DeLoos
- Mary - Maid
- Sidney Dubin
- Bobby - Amanda's Assistant
- Rex Evans
- Fat Man in Elevator
- John Fell
- Adam's Assistant
- Norman Field
- Courtroom Bailiff
- Glen Gallagher
- Criminal Attorney
- Mickey Golden
- Courtroom Spectator
- Danny Harvey
- Office Boy
- Marvin Kaplan
- Court Stenographer
- Kenner G. Kemp
- Man in Courtroom
- Michael Kostrick
- Photographer
- Nancy Laurents
- Photographer
- Gracille LaVinder
- Police Matron
- DeForrest Lawrence
- Adam's Assistant
- Gustave Lax
- Juror
- Doris Lloyd
- Lady with Attinger Kids in Court
- Lester Luther
- Judge Poynter
- George Magrill
- Subway Conductor
- Dwight Martin
- Photographer
- Louis Mason
- Louie - Elevator Operator
- John Maxwell
- Court Clerk
- David McMahon
- Reporter
- Walter Merrill
- Undetermined Role
- Jules Michelson
- Bailiff
- Frank Mills
- Juror
- Ralph Montgomery
- Photographer
- Evelyn Moriarty
- Juror
- Sol Murgi
- Commuter
- Anna Q. Nilsson
- Mrs. Poynter
- James Nolan
- Dave
- Tommy Noonan
- Reporter
- Gil Patric
- Criminal Attorney
- 'Snub' Pollard
- Man in Courtroom
- Dan Quigg
- Reporter
- Tom Quinn
- Photographer
- Paula Raymond
- Emerald - Kip's Girlfriend
- William Self
- Benjamin Klausner - Jury Foreman
- Pete Smith
- Tralier Announcer
- Will Stanton
- Taxicab Driver
- Bert Stevens
- Courtroom Extra
- Brick Sullivan
- Court Clerk
- Arthur Tovey
- Courtroom Spectator
- Ray Walker
- Photographer
- Glen Walters
- Juror
- Marjorie Wood
- Mrs. Marcasson
- Wilson Wood
- Reporter
