There's more than one way to lose your life to a killer. • a San Francisco cartoonist becomes an amateur detective obsessed with tracking down the Zodiac killer. Jake Gyllenhaal, Mark Ruffalo, Robert Downey Jr., and Anthony Edwards leads; co-starring Brian Cox, Elias Koteas, Donal Logue, John Carroll Lynch, and Dermot Mulroney. David Fincher directs from the screenplay by James Vanderbilt; Based on true events - as depicted in the 1986 St. Martins Press debut book by Robert Graysmith. Produced by Mike Medavoy, Arnold W. Messer, Bradley J. Fischer, Vanderbilt and Ceán Chaffin • Executive Producer: Louis Phillips. Music by David Shore. • Music Supervisors: Randall Poster and George Drakoulias. a Phoenix Pictures production for Paramount Pictures and Warner Bros. Pictures. Filmed around San Francisco and Los Angeles, CA circa Summer 2005. Theatrical: Approved [#42944]/rated R for some strong killings; for language; for drug material; and for brief sexual images. Director's Cut: Approved [#43897]/rated R.