| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alan Crosland | Crew | Directing | Director |
 Ben Markson | Crew | Writing | Screenplay |
Erle Stanley Gardner | Crew | Writing | Story |
James Gibbon | Crew | Editing | Editor |
John Hughes | Crew | Art | Art Direction |
 Leo F. Forbstein | Crew | Sound | Conductor |
 Orry-Kelly | Crew | Costume & Make-Up | Costume Design |
William Rees | Crew | Camera | Director of Photography |
 Addison Richards | Cast | Actor | Judge Markham |
 Allen Jenkins | Cast | Actor | Sgt. Holcomb |
 Arthur Aylesworth | Cast | Actor | Sheriff Bill Pemberton |
 Bill Elliott | Cast | Actor | Reporter in Courtroom (uncredited) |
 Charles Sherlock | Cast | Actor | Reporter with Camera in Courtroom (uncredited) |
 Don Brodie | Cast | Actor | Reporter in Courtroom (uncredited) |
 Dorothy Tree | Cast | Actress | Lucy Benton |
Eddie Hart | Cast | Actor | Deputy (uncredited) |
Eddie Shubert | Cast | Actor | Ed Wheeler |
Frank Fanning | Cast | Detective Driving Police Car (uncredited) | |
 Frank Reicher | Cast | Actor | Dr. Carl Cooper |
 Gordon Westcott | Cast | Actor | Arthur Cartwright |
 Grant Mitchell | Cast | Actor | District Attorney Claude Drumm |
Harry Seymour | Cast | Actor | David Clark |
 Harry Tyler | Cast | Actor | Sam Martin - Taxi Driver |
 Helen Lowell | Cast | Actress | Elizabeth Walker |
Helen Trenholme | Cast | Della Street | |
Henry Otho | Cast | Actor | Bailiff (uncredited) |
Jack Wise | Cast | Actor | Telegram Clerk (uncredited) |
 James P. Burtis | Cast | Actor | George Dobbs |
 Joe Sawyer | Cast | Actor | Carl Trask (uncredited) |
 Jonathan Hale | Cast | Actor | Courtroom Spectator (uncredited) |
 Joseph Crehan | Cast | Actor | Captain Kelly (uncredited) |
 Mary Astor | Cast | Actress | Bessie Foley |
 Milton Kibbee | Cast | Actor | Detective (uncredited) |
Monte Vandergrift | Cast | Detective (uncredited) | |
 Russell Hicks | Cast | Actor | Clinton Foley |
 Stanley Blystone | Cast | Actor | Juror (uncredited) |
 Warren William | Cast | Actor | Perry Mason |
 Lightning the German Shepard dog | Cast | Actor | Prince (uncredited) |
| Person | Type | Job | Role(s) |
