 Spencer TracyHenry Drummond | Henry Drummond |
 Fredric MarchMatthew Harrison Brady | Matthew Harrison Brady |
 Gene KellyE.K. Hornbeck | E.K. Hornbeck |
 Dick YorkBertram T. Cates | Bertram T. Cates |
 Donna AndersonRachel Brown | Rachel Brown |
 Harry MorganJudge Mel | Judge Mel |
 Claude AkinsRev. Jeremiah Brown | Rev. Jeremiah Brown |
 Elliott ReidProsecutor Tom Davenport | Prosecutor Tom Davenport |
 Paul HartmanBailiff Mort Meeker | Bailiff Mort Meeker |
 Philip CoolidgeMayor Jason Carter | Mayor Jason Carter |
 Jimmy BoydHoward | Howard |
 Noah Beery Jr.John Stebbins | John Stebbins |
 Norman FellWGN Radio Technician | WGN Radio Technician |
| GGordon PolkGeorge Sillers | George Sillers |
 Hope SummersMrs. Krebs - Righteous Townswoman | Mrs. Krebs - Righteous Townswoman |
 Ray TealJessie H. Dunlap | Jessie H. Dunlap |
 Renee GodfreyMrs. Stebbins | Mrs. Stebbins |
 Florence EldridgeSarah Brady | Sarah Brady |
| JJohn AlbanCourtroom Spectator (uncredited) | Courtroom Spectator (uncredited) |
| LLeon AltonTownsman (uncredited) | Townsman (uncredited) |
 Don AndersonCourtroom Reporter (uncredited) | Courtroom Reporter (uncredited) |
 Eddie BakerCourtroom Reporter (uncredited) | Courtroom Reporter (uncredited) |
 Frank BakerTownsman (uncredited) | Townsman (uncredited) |
| JJohn BartonTownsman (uncredited) | Townsman (uncredited) |
| BBrandon BeachTownsman (uncredited) | Townsman (uncredited) |
 Gail BonneyFundamentalist Woman (uncredited) | Fundamentalist Woman (uncredited) |
 Chet BrandenburgCourtroom Spectator (uncredited) | Courtroom Spectator (uncredited) |
| BBrad BrownCourtroom Photographer (uncredited) | Courtroom Photographer (uncredited) |
| BBuck BuckoTownsman (uncredited) | Townsman (uncredited) |
 George CalligaCourtroom Spectator (uncredited) | Courtroom Spectator (uncredited) |
