Someone Behind the Door
A neurosurgeon with a cheating wife takes an amnesiac into his home and conditions him to believe that the cheating wife is his own and to take the "appropriate" action.
Charles Bronsonas The StrangerAnthony Perkinsas Laurence JeffriesJill Irelandas Frances JeffriesHenri Garcinas Paul DamienAgathe Natansonas LucyAndré Penvernas InternDenise Péronneas NurseCarl Studeras Fisherman (as Carl J. Studer)Silvana Blasias Mrs. EvansAdriano Magistrettias AndrewViviane Everlyas Young Girl on BeachIsabelle Del Rioas NurseColin Mannas Sgt. GordonYves Elliotas Policeman