 Spencer TracyAdam Bonner | Adam Bonner |
 Katharine HepburnAmanda Bonner | Amanda Bonner |
 Judy HollidayDoris Attinger | Doris Attinger |
 Tom EwellWarren Attinger | Warren Attinger |
 David WayneKip Lurie | Kip Lurie |
 Jean HagenBeryl Caighn | Beryl Caighn |
 Hope EmersonOlympia La Pere | Olympia La Pere |
 Eve MarchGrace | Grace |
 Clarence KolbJudge Reiser | Judge Reiser |
 Emerson TreacyJules Frikke | Jules Frikke |
 Polly MoranMrs. McGrath | Mrs. McGrath |
 Will WrightJudge Marcasson | Judge Marcasson |
| EElizabeth FlournoyDr. Margaret Brodeigh | Dr. Margaret Brodeigh |
 Bonnie BannonWoman in Courtroom (uncredited) | Woman in Courtroom (uncredited) |
| CCharles BastinYoung District Attorney (uncredited) | Young District Attorney (uncredited) |
| HHarry BaumCommuter (uncredited) | Commuter (uncredited) |
 Joseph E. BernardMr. Bonner - Adam's Father (uncredited) | Mr. Bonner - Adam's Father (uncredited) |
 Madge BlakeMrs. Bonner - Adam's Mother (uncredited) | Mrs. Bonner - Adam's Mother (uncredited) |
| HHarris BrownCourt Attendant (uncredited) | Court Attendant (uncredited) |
 David ClarkeRoy (uncredited) | Roy (uncredited) |
| HHarry CodyCriminal Attorney (uncredited) | Criminal Attorney (uncredited) |
 Dick CoganReporter (uncredited) | Reporter (uncredited) |
| PPaul CramerStenographer (uncredited) | Stenographer (uncredited) |
| BBert DavidsonSubway Guard (uncredited) | Subway Guard (uncredited) |
| RRoger DavisPaul Hurlock (uncredited) | Paul Hurlock (uncredited) |
| JJanna DeLoosMary - Maid (uncredited) | Mary - Maid (uncredited) |
| SSidney DubinBobby - Amanda's Assistant (uncredited) | Bobby - Amanda's Assistant (uncredited) |
 Rex EvansFat Man in Elevator (uncredited) | Fat Man in Elevator (uncredited) |
| JJohn FellAdam's Assistant (uncredited) | Adam's Assistant (uncredited) |
| NNorman FieldCourtroom Bailiff (uncredited) | Courtroom Bailiff (uncredited) |
