Katherine Waterston has joined the cast of Paul Thomas Anderson's upcoming crime drama Inherent Vice.

The film centers on Doc Sportello (Joaquin Phoenix), a pothead private investigator that becomes involved with a case about the disappearance of his ex-girlfriend's new love interest. Katherine Waterston will be portraying the investigator's ex-flame Shasta Fay, who is described as a care-free hippie turned housewife.

Paul Thomas Anderson wrote the screenplay based on a novel by author Thomas Pynchon. He will also be directing and producing with JoAnne Sellar, Daniel Lupi and John Lesher.

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Katherine Waterston is best known for her work in the New York Theatre scene and had roles in Taking Woodstock, Being Flynn and The Factory.

Production will begin this summer.