Reese Witherspoon has signed up to star in Inherent Vice alongside Joaquin Phoenix, Owen Wilson, Benicio del Toro, Martin Short and Jena Malone.
The film is based on a cult novel by Thomas Pynchon and is set in the 1970s.
The plot follows a private investigator (Phoenix) as he investigates the alleged kidnapping of a woman he used to date.
No details have been given about Witherspoon's character, according to Deadline.
The 37-yaer-old actress recently signed up to star with Keanu Reeves in sci-fi adventure Passengers, and will appear in Fox comedy Get Her Off The Pitch, as well as working on Three Little Words with her Walk the Line director James Mangold.
The Legally Blonde star can currently be seen on screen in Mud and has Devil's Knot and The Good Lie also heading for the big screen in the coming months.