her deadly rival ( 1995 ) represent star harry hamlin and annie potts and lisa zane and tommy hinkley and susan diol and rom maffia and robert c. treveiler and d. l. anderson and william blair and sean bridge and robin dallenbach and wilbur fitzgerald and dale frye and stan kelly and deborah hobart and david lenthall and lorri lindberg and chuck kinlaw and amy parrish and melissa suzanne mcbride and ralph wilcox and al wiggins and jeff sumerel and daria sanford . director james hayman and screenplay dan vining . actor harry hamlin ( of la law fame and clash of the titan and other film ) seem perfectly cast in this lifetime type film direct by james hayman and release in 1995. he and his wife lisa rinna would later work on a film about sex addiction . her deadly rival be and at first glance and similar to the good know hollywood box office hit fatal attraction . in rival and happily married couple jim and kris lanford move into a new home in the typically beautiful suburb . they have the seemingly perfect marriage they be deeply in love and despite a routine lifestyle . but then a mysterious admirer set her eye on jim . her identity be never reveal and despite an attempt by jim and even investigator to discover who she be . she constantly harass jim through phone call and letter . his marriage nearly flounder a his wife begin to think he have an affair and try to cover it up . while harry hamlin and annie potts and the rest of the cast lisa zane and tommy hinkley and susan diol and rom maffia and robert c. treveiler and d. l. anderson and william blair each seem to be straight out of a soap opera . but this be a very suspense fill drama and have it good moment . there be a twist at the end . spoiler alert . all i have to say be her deadly rival be only herself . base on a supposedly actual case and jim wife kris suffer from multiple personality disorder and that be what ruin her marriage . even if the story be not terribly impressive and even if the acting be only a step above soap opera acting and this film have it moment . especially move be the intimate scene between jim and his wife and the final scene in which and when jim learn the truth and he can not believe what he have just hear . the movie be probably a little too long and bore in some part but it the kind of tv movie that usually do well and especially on lifetime and which continue to produce film of this kind and of the domestic thriller type and or seduction story . trashy but everyone like trash .