The Deep End is a 2001 American thriller film written and directed by David Siegel and Scott McGehee. It stars Tilda Swinton, Goran Visnjic, Jonathan Tucker and Josh Lucas and was released by Fox Searchlight Pictures. The film was very loosely adapted from the novel The Blank Wall by Elisabeth Sanxay Holding. The film premiered in competition at the Sundance Film Festival where English cinematographer Giles Nuttgens won the Best Cinematography award.

Katherine Matilda Swinton is a British actress. Known for her roles in independent films and blockbusters, she has received various accolades, including an Academy Award and a British Academy Film Award, in addition to nominations for three Golden Globe Awards. In 2020, The New York Times ranked her as one of the greatest actors of the 21st century.