United Kingdom, Oct. 9 -- Keira Knightley was "crunched up against" her co-stars while filming The Woman in Cabin 10.

The 40-year-old actress stars alongside the likes of Guy Pearce, Art Malik, Gugu Mbatha-Raw, Kaya Scodelario, Daniel Ings and Hannah Waddingham in the new psychological thriller film, but Keira never imagined that filming onboard a boat would be so challenging.

She explained to People: "Because the boat was so expensive, we weren't allowed to touch any of the walls, we weren't allowed to walk on any of the carpets, we weren't allowed to sit on anything, we weren't allowed to lean on anything.

"So we really were all, for 12 hours a day - because we weren't allowed on and off either - crunched up against each other. So it...