12 Feet Deep is a 2017 American psychological horror-thriller film written and directed by Matt Eskandari. It stars Alexandra Park and Nora-Jane Noone as sisters who find themselves trapped inside a public swimming pool when the manager activates the pool cover and leaves for the holidays. Released by Mar Vista Entertainment on June 20, 2017, it received generally positive reviews.

Alexandra Park is an Australian actress. She is known for her role as Claudia Hammond in the Australian soap opera Home and Away in 2009. She also starred in the E! drama series The Royals as Princess Eleanor from 2015 to 2018.