Based on the bestselling novel The Woman in Cabin 10 by Ruth Ware. While on board a luxury yacht for a travel assignment, journalist Keira Knightley portrays Lo Blacklock, who witnesses a passenger thrown overboard late at night—only to be told it didn’t happen.
Despite no one believing her, she continues to search for answers, putting her own life in danger.
All passengers and crew are accounted for. “They Don’t Want You To Believe What She Saw.” It’s The Woman in Cabin 10, Official Trailer—a psychological thriller directed by Simon Stone, with a screenplay by Joe Shrapnel, Anna Waterhouse, and Stone himself. The film premieres October 10, 2025, exclusively on Netflix.
The cast includes Guy Pearce, David Ajala, Hannah Waddingham, Gugu Mbatha-Raw, and Kaya Scodelario, rounding out a suspense-filled ensemble that brings Ruth Ware’s chilling mystery to life.
