Netflix
Psychological Thriller Movies to Watch on Netflix This September
Netflix is carrying its late-summer thriller momentum into September, with new releases joining recent films that have already attracted plenty of views. If you’re looking for psychological thrillers that explore identity, confinement, and blurred realities, these six films are a good place to start this month.
The Whisper Man
Robert De Niro, Michelle Monaghan, and Adam Scott star in this crime thriller, which follows a widowed crime writer who moves to a quiet New Jersey town with his eight-year-old son. Their peace is broken when a child abduction mirrors the work of a serial killer long believed to be imprisoned. Directed by James Ashcroft and based on Alex North’s bestselling novel, the film is produced by Anthony and Joe Russo’s AGBO. It streams on Netflix starting August 28, 2026.
The Secret Woman
Natalie Madueño stars in this Danish thriller as a woman living quietly on a Norwegian island until a stranger tells her she is not who she thinks she is, but a missing heiress who disappeared three years earlier. Directed by Barbara Topsøe-Rothenborg and adapted from Anna Ekberg’s novel, the film arrived on August 28, 2026 and quickly entered Netflix’s global Top 10. The story revolves around questions of memory and identity, giving it a strong psychological thriller angle.
The Marked Woman
This Spanish thriller stars Ana Rujas, Candela Peña, and Pol López. A woman with no memory of her identity is discovered in a shipping container at the Port of Barcelona. While hospitalized, an attempt is made on her life, drawing two inspectors into a case that stretches between Barcelona and Lyon, The film came to Netflix on June 5, 2026, after a limited theatrical release in Spain.
A Private Life
Jodie Foster plays Lilian Steiner, a respected psychiatrist who becomes convinced that one of her patients was murdered, even as authorities dismiss the death. The French mystery thriller is directed by Rebecca Zlotowski. It premiered out of competition at Cannes in 2025 before arriving on Netflix on July 29, 2026, and earned Foster a Lumière Award nomination for Best Actress. The film centers on professional authority colliding with personal conviction.
The Last House
Greta Lee and Wagner Moura star as parents whose family of four becomes inexplicably trapped inside their own home. As supplies run low and an unseen force prevents them from leaving, the struggle for survival begins to put the family under increasing pressure. Directed by Louis Leterrier, the sci-fi thriller began streaming on August 7, 2026 and quickly ranked among Netflix’s most-watched originals of the month. The confinement premise pushes the story from external threat to internal pressure.
I.S.S.
Ariana DeBose, Chris Messina, and Pilou Asbæk star as astronauts aboard the International Space Station, where tensions rise after war breaks out on Earth and their already fragile working relationship begins to fall apart. Directed by Gabriela Cowperthwaite, the film uses close-quarters setting to generate psychological tension. As American and Russian crew members receive conflicting orders from their governments, trust becomes increasingly difficult to maintain. Across these films, the danger does not always come from outside.