- Dick Powell
- Professor Donald Hardwick
- Ann Sheridan
- Zelda Manion
- Gale Page
- Linda McKay
- Helen Broderick
- Aunt Martha Hogan
- Ronald Reagan
- Ed Clark
- Allen Jenkins
- Joe Dirk
- Zasu Pitts
- Aunt Penelope Hardwick
- Maxie Rosenbloom
- Killer
- Jerry Colonna
- Allie Gray
- Luis Alberni
- Stanislaus Pysinski
- Vera Lewis
- Aunt Annabella Hardwick
- Elizabeth Dunne
- Aunt Henrietta Hardwick
- William B. Davidson
- Sam' Hudson
- Granville Bates
- Judge
- Halliwell Hobbes
- Dean Burton
- Arthur Berkeley
- Courtroom Spectator
- Sidney Bracey
- Professor
- Ralph Brooks
- Nightclub Patron
- Daisy Bufford
- Maid
- George Calliga
- Pysinski Associate
- Nat Carr
- Extra in Nightclub
- Maurice Cass
- Mr. Maurice, First Witness
- Hobart Cavanaugh
- Piano Tuner
- Elise Cavanna
- Maid
- Glen Cavender
- Extra at Bar
- Oliver Cross
- Nightclub Patron
- Midgie Dare
- Jitterbug Dancer
- Maxie Lee Dorf
- Jitterbug Dancer
- Joe Gilbert
- Nightclub Patron
- Sol Gorss
- Taxi Driver
- William Gould
- Bailiff
- Eddie Graham
- Attorney at Plaintiff's Table
- Harrison Greene
- Bartender
- Bert Hanlon
- Johnny Collins
- John Harron
- Clerk
- Peter Lind Hayes
- Bandleader
- Al Herman
- Waiter
- Stuart Holmes
- Capt. Gregory Waddington-Smith
- Shep Houghton
- Nightclub Patron
- Selmer Jackson
- Plaintiff's Attorney
- Carl M. Leviness
- Pysinski Associate
- Al Lloyd
- Professor
- Leota Lorraine
- Radio Listener
- Jerry Mandy
- Waiter
- Frank Mayo
- Bailiff
- Edward McWade
- Professor Trill
- Charles Morton
- Nightclub Patron
- Jack Mower
- Professor
- David Newell
- Attorney at Defense Table
- William Newell
- Arranger
- Wedgwood Nowell
- Professor
- Garry Owen
- Bartender
- Foster H. Phinney
- Nightclub Patron
- Paul Power
- Party Guest
- Herbert Rawlinson
- Hardwick's Attorney
- John Ridgely
- Harry
- Sally Sage
- Miss Danning
- Cliff Saum
- Radio Announcer
- Bobby Sherwood
- Announcer
- Larry Steers
- Nightclub Patron
- Grady Sutton
- Mr. Mankton
- Leo White
- Courtroom Spectator
- Ernest Wood
- Headwaiter
