Don't Bother to Knock is a 1952 film directed by Roy Ward Baker. The film's plot is a psychological thriller set in a New York hotel and follows a series of strange and unsettling events involving an unstable young woman. 

Plot

The story takes place in a New York hotel, where the staff is preparing for an important evening. In the hotel, Nell Forbes (played by Marilyn Monroe), a young woman with a troubled past, arrives. She is hired as a babysitter for a child staying at the hotel while the child's parents are out for the evening.

However, it soon becomes evident that Nell has psychological issues and emotional instability. As she spends the evening with the child, Nell begins to behave increasingly strangely and menacingly. Other hotel guests become concerned about the child's safety and try to understand what is happening.

The plot focuses on the attempt to uncover the true nature of Nell's problems and the struggle to protect the child. Meanwhile, a man named Jed Towers (played by Richard Widmark) becomes interested in Nell and tries to help her.

"Don't Bother to Knock" explores themes of mental disturbance, social isolation, and the fragility of human relationships. Marilyn Monroe delivers a memorable performance in the role of Nell, showcasing her versatility as an actress in a dramatic role.

Director: Roy Ward Baker

Writer: Daniel Taradash (based on a story by Charlotte Armstrong)

Producer: Julian Blaustein

Music: Lionel Newman

Main Cast:

• Marilyn Monroe as Nell Forbes
• Richard Widmark as Jed Towers
• Anne Bancroft as Lyn Lesley
• Donna Corcoran as Bunny Jones
• Jeanne Cagney as Rochelle

Major Awards: The film received mixed reviews from critics and did not win major Oscars or Golden Globe awards.

Box Office Gross: The film had a moderate success at the box office.

Critical Reception: Don't Bother to Knock received mixed reviews from critics. The film was noted for Marilyn Monroe's performance as Nell Forbes, a mentally unstable woman working in a hotel. However, the film was criticized for its plot and pacing. The story revolves around a tense night in a hotel where Nell Forbes becomes a threat to other guests. Despite the mixed reviews, the film is interesting for its role in Marilyn Monroe's career, showcasing her ability to play dramatic roles.