Millennium Films and Signature Pictures are producing the movie version of James Ellroy's novel about two Los Angeles police officers investigating the sensational real-life murder of Hollywood starlet Elizabeth Short. Eckhart will play one of the officers, with Josh Hartnett as the other one.
Eckhart -- who recently completed filming on "Thank You for Smoking," "Conversations with Other Women" and "Neverwas" -- is best known as Julia Roberts' co-star in "Erin Brockovich."
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