 Anthony PerkinsNorman Bates | Norman Bates |
 Janet LeighMarion Crane | Marion Crane |
 Vera MilesLila Crane | Lila Crane |
 John GavinSam Loomis | Sam Loomis |
 Martin BalsamMilton Arbogast | Milton Arbogast |
 John McIntireAl Chambers | Al Chambers |
 Simon OaklandFred Richman | Fred Richman |
 Frank AlbertsonTom Cassidy | Tom Cassidy |
 Patricia HitchcockCaroline | Caroline |
 Vaughn TaylorGeorge Lowery | George Lowery |
 Lurene TuttleMrs. Chambers | Mrs. Chambers |
 John AndersonCalifornia Charlie | California Charlie |
 Mort MillsHighway Patrol Officer | Highway Patrol Officer |
| FFletcher AllenPoliceman on Steps (uncredited) | Policeman on Steps (uncredited) |
| WWalter BaconChurch Member (uncredited) | Church Member (uncredited) |
| KKit Carson(uncredited) | (uncredited) |
 Francis De SalesAlan Deats (uncredited) | Alan Deats (uncredited) |
| GGeorge Dockstader(uncredited) | (uncredited) |
 George EldredgeJames Mitchell (uncredited) | James Mitchell (uncredited) |
| HHarper Flaherty(uncredited) | (uncredited) |
 Sam FlintCounty Sheriff (uncredited) | County Sheriff (uncredited) |
 Virginia GreggNorma Bates (voice) (uncredited) | Norma Bates (voice) (uncredited) |
 Alfred HitchcockMan Outside Office (uncredited) | Man Outside Office (uncredited) |
| PPaul JasminNorma Bates (voice) (uncredited) | Norma Bates (voice) (uncredited) |
| LLee Kass(uncredited) | (uncredited) |
| FFrank KillmondBob Summerfield (uncredited) | Bob Summerfield (uncredited) |
 Ted KnightPoliceman in Hallway Opening Door (uncredited) | Policeman in Hallway Opening Door (uncredited) |
| PPat McCaffriePolice Guard (uncredited) | Police Guard (uncredited) |
| HHans MoebusPasserby on Sidewalk (uncredited) | Passerby on Sidewalk (uncredited) |
 Jeanette NolanNorma Bates (voice) (uncredited) | Norma Bates (voice) (uncredited) |
