 Morgan ConwayDick Tracy | Dick Tracy |
 Anne JeffreysTess Trueheart | Tess Trueheart |
 Mike Mazurki'Splitface' | 'Splitface' |
 Jane GreerJudith Owens | Judith Owens |
 Lyle LatellPat Patton | Pat Patton |
 Joseph CrehanChief Brandon | Chief Brandon |
 Mickey KuhnJunior | Junior |
 Trevor BardetteProf. Linwood J. Starling | Prof. Linwood J. Starling |
 Morgan WallaceSteve Owens | Steve Owens |
 Milton ParsonsDeathridge the Undetaker | Deathridge the Undetaker |
 William HalliganMayor | Mayor |
 Sam AshPoliceman (uncredited) | Policeman (uncredited) |
 Gertrude AstorWoman (uncredited) | Woman (uncredited) |
 Tanis ChandlerMiss Stanley (uncredited) | Miss Stanley (uncredited) |
 Jack ChefeParadise Club Headwaiter (uncredited) | Paradise Club Headwaiter (uncredited) |
 Mary CurrierDorothy Stafford (uncredited) | Dorothy Stafford (uncredited) |
 Ralph DunnDetective Manning (uncredited) | Detective Manning (uncredited) |
 Bruce EdwardsPolice Sergeant (uncredited) | Police Sergeant (uncredited) |
| EEdythe ElliottMrs. Caraway (uncredited) | Mrs. Caraway (uncredited) |
 Franklyn FarnumBystander at Murder (uncredited) | Bystander at Murder (uncredited) |
| CCarl FaulknerPoliceman (uncredited) | Policeman (uncredited) |
 Jack GarganPoliceman (uncredited) | Policeman (uncredited) |
 Edmund GloverJoe - Police Radio Dispatcher (uncredited) | Joe - Police Radio Dispatcher (uncredited) |
 Kenner G. KempParadise Club Patron (uncredited) | Paradise Club Patron (uncredited) |
 Mike LallyMayor's Escort (uncredited) | Mayor's Escort (uncredited) |
 Wilbur MackMotorist (uncredited) | Motorist (uncredited) |
 George MagrillDetective at Starling's Interrogation (uncredited) | Detective at Starling's Interrogation (uncredited) |
 Alphonse MartellJules (uncredited) | Jules (uncredited) |
 Harold MillerParadise Club Patron (uncredited) | Paradise Club Patron (uncredited) |
 Tommy NoonanJohnny Moko (uncredited) | Johnny Moko (uncredited) |
