Jake Gyllenhaal, Mark Ruffalo, and Robert Graysmith at an event for Zodiac (2007)

Mark Ruffalo at an event for Zodiac (2007)

Jake Gyllenhaal at an event for Zodiac (2007)

Helena Christensen at an event for Zodiac (2007)

Bart Freundlich at an event for Zodiac (2007)

Frederique Van Der Wal at an event for Zodiac (2007)

Elizabeth Berkley and Greg Lauren at an event for Zodiac (2007)

Petra Nemcova at an event for Zodiac (2007)

Elias Koteas at an event for Zodiac (2007)

Patricia Clarkson at an event for Zodiac (2007)

David Schwimmer at an event for Zodiac (2007)

Tim Robbins at an event for Zodiac (2007)

Tim Robbins, Patricia Clarkson, and Jake Gyllenhaal at an event for Zodiac (2007)

Robert Downey Jr., Jake Gyllenhaal, and Mark Ruffalo in Zodiac (2007)

Dermot Mulroney, Adam Goldberg, and Mark Ruffalo in Zodiac (2007)

Anthony Edwards and David Fincher in Zodiac (2007)

Chloë Sevigny and Jake Gyllenhaal in Zodiac (2007)

Lee Norris and Ciara Moriarty in Zodiac (2007)

Robert Downey Jr. and Jake Gyllenhaal in Zodiac (2007)

Jake Gyllenhaal and Mark Ruffalo in Zodiac (2007)

Anthony Edwards, Elias Koteas, John Carroll Lynch, and Mark Ruffalo in Zodiac (2007)

Anthony Edwards and Mark Ruffalo in Zodiac (2007)

Robert Downey Jr., Chloë Sevigny, Jake Gyllenhaal, and Mark Ruffalo in Zodiac (2007)