Psycho III [12662] Released: 1986-04-02 Revenue: $14,481,606 Budget: $8,400,000 Profit: $6,081,606 Runtime: 93 mins Popularity: 1.3409 Vote Average: 5.647 Vote Count: 397 Overview: When Maureen Coyle, a suicidal nun who resembles Norman's former victim, Marion Crane, arrives at the motel, all bets are off and "Mother" is less than happy. Cast [16] Anthony PerkinsNorman Bates Diana ScarwidMaureen Coyle Jeff FaheyDuane Duke Roberta MaxwellTracy Venable Hugh GillinSheriff John Hun Lee GarlingtonMyrna Robert Alan BrowneRalph Statler Gary BayerFather Brian Patience ClevelandSister Margaret Juliette CumminsRed Steve GuevaraDeputy Leo Katt SheaPatsy Brinke StevensBody Double Donovan ScottKyle Diane RodriguezNun Virginia GreggNorma Bates Trailers Psycho III ≣ 1986 ≣ TV Spot Psycho III ≣ 1986 ≣ Trailer