Evelyn Marsh (Annette McCarthy) was a fictional character on the Mark Frost and David Lynch, ABC series Twin Peaks. Mark Frost (born November 25, 1953) is an American novelist television/film writer director and Executive producer. David Keith Lynch (born January 20 1946 is an American director, Screenwriter, producer, painter, Cartoonist, Composer Twin Peaks is a Television Serial drama that follows the investigation of the brutal murder of popular respected Teenager and homecoming queen Unlike most of the other characters, she did not actually live in Twin Peaks, but one of the towns nearby, which James Hurley "drifts" to, after he has a fall-out at home with Donna Hayward. James Hurley is a character from the television series Twin Peaks, created by David Lynch and Mark Frost. Donna Hayward is a character from the television series Twin Peaks, created by David Lynch and Mark Frost. She is very wealthy, and she and her absentee husband, Geoffrey/Jeffrey, own a small fleet of expensive cars, which she initially drafts James in to repair. (James' uncle, Big Ed runs the Twin Peaks garage. Ed Hurley is a character from the television series Twin Peaks, created by David Lynch and Mark Frost. )
Evelyn has a very complicated character. She attracts James through a combination of her physical attributes and the pity he feels for her, when she reveals that she lives with an abusive husband who frequently beats her. In reality, she is involved with a third man, Malcolm Sloan, living with the family under the guise of being her brother and acting as chauffeur, and the two have hatched a plan for killing Geoffrey. She engages James in a kind of boy toy sexual relationship, all as part of the plan, principally with a view to setting him up as a fall guy and blaming him for her husband's death (in a car accident). Fall Guy ( Katmata koshin kyoku, 蒲田行進曲 is a 1982 Japanese film directed by Kinji Fukasaku.
Following her husband's murder, Evelyn appears to soften towards James and show repentance for her actions, giving James enough warning to get out of the house before the arrival of the police. She gives his full name to the police and even indicates where they might find him, but seems to waver. When he comes back to talk to her, she pleads for him to leave. Malcolm knocks James out and tries to persuade Evelyn to shoot him, concocting a story to cover the situation, but in the end Evelyn can't go through with it and she shoots Malcolm dead instead when he tries to attack her, allowing James to go free. After this, all we hear of Evelyn is that James is to give evidence at her trial.