 Robert PrestonHarold Hill | Harold Hill |
 Shirley JonesMarian Paroo | Marian Paroo |
 Buddy HackettMarcellus Washburn | Marcellus Washburn |
 Ron HowardWinthrop Paroo | Winthrop Paroo |
 Hermione GingoldEulalie Mackechnie Shinn | Eulalie Mackechnie Shinn |
 Paul FordMayor George Shinn | Mayor George Shinn |
 Pert KeltonMrs. Paroo | Mrs. Paroo |
 Timmy EverettTommy Djilas | Tommy Djilas |
 Susan LuckeyZaneeta Shinn | Zaneeta Shinn |
| PPeggy MondoEthel | Ethel |
 Harry HickoxCharlie Cowell | Charlie Cowell |
 Jesslyn FaxAvis Grubb | Avis Grubb |
 Mary WickesMrs. Squires | Mrs. Squires |
| MMonique VermontAmaryllis | Amaryllis |
 Charles LaneConstable | Constable |
 William FawcettLester Lonnergan | Lester Lonnergan |
 Barbara PepperMrs. Hawkes | Mrs. Hawkes |
 Max ShowalterSalesman On Train (uncredited) | Salesman On Train (uncredited) |
 Hank WordenUndertaker | Undertaker |
 Sarah SeegarTownswoman | Townswoman |
 Milton ParsonsFarmer | Farmer |
 Larri ThomasHigh School Girl | High School Girl |
 Colin KennyBrighton Townsman (uncredited) | Brighton Townsman (uncredited) |
| RRonnie DapoNorbert Smith | Norbert Smith |
 Al BainTownsman (uncredited) | Townsman (uncredited) |
 Ralph HartYoung Boy Dancer | Young Boy Dancer |
 Delos JewkesHarley MacCauley | Harley MacCauley |
| CCharles Alvin BellPolice Officer | Police Officer |
| NNatalie MastersFarmer's Wife (uncredited) | Farmer's Wife (uncredited) |
 Percy HeltonTrain Conductor (uncredited) | Train Conductor (uncredited) |
