S. Darko, also known as S. Darko: A Donnie Darko Tale or S Dot Darko is a 2009 American science fiction thriller film directed by Chris Fisher and starring Daveigh Chase, Briana Evigan, and Ed Westwick. It is the sequel to the 2001 cult film Donnie Darko.

Daveigh Elizabeth Chase is an American actress. She began her career appearing in minor television roles before being cast as Samantha Darko in Richard Kelly's cult film Donnie Darko. She would subsequently provide the voices of Chihiro Ogino in the English dub of the Studio Ghibli film Spirited Away, and Lilo Pelekai in the Disney animated feature film Lilo & Stitch and its subsequent franchise, before appearing as Samara Morgan, the child antagonist in the 2002 horror film The Ring.