100%
Cast & crew completeness
- Cast
- Filled (101 people)
- Crew
- Filled
Cast
101 credited
Jake Gyllenhaal Lead Robert Graysmith 
Mark Ruffalo Lead David Toschi 
Anthony Edwards William Armstrong 
Robert Downey Jr. Paul Avery 
Chloë Sevigny Melanie 
Elias Koteas Jack Mulanax 
John Carroll Lynch Arthur Leigh Allen 
Brian Cox Melvin Belli 
Dermot Mulroney Martin Lee 
Charles Fleischer Bob Vaughn 
Zach Grenier Mel Nicolai 
Philip Baker Hall Sherwood Morrill 
James Le Gros George Bawart 
Donal Logue Ken Narlow 
Richmond Arquette Zodiac 1 / Zodiac 2 
Bob Stephenson Zodiac 3 
John Lacy Zodiac 4 
Ed Setrakian Al Hyman 
John Getz Templeton Peck 
John Terry Charles Thieriot 
Candy Clark Carol Fisher 
June Diane Raphael Mrs. Toschi 
Ciara Hughes Darlene Ferrin 
Lee Norris Young Mike Mageau 
Patrick Scott Lewis Bryan Hartnell 
Pell James Cecilia Shepard 
David Lee Smith Father 
Jason Wiles Lab Tech Dagitz 
Charles Schneider Cabbie / Paul Stine 
James Carraway Shorty 
Tom Verica Jim Dunbar 
Jimmi Simpson Mike Mageau 
Doan Ly Belli's Housekeeper 
Karina Logue Woman 
Joel Bissonnette Inspector Kracke 
John Mahon Riverside Captain 
Matt Winston John Allen 
Jules Bruff Catherine Allen 
John Ennis Terry Pascoe 
J. Patrick McCormack Police Commissioner 
Adam Goldberg Duffy Jennings 
Clea DuVall Linda del Buono 
Paul Schulze Sandy Panzarella 
Adam Trese Detective #1 - Penny Wallace Mulanax's Secretary
John Hemphill Donald Cheney 
Michel Francoeur Man on Marquee 
Thomas Kopache Copy Editor #1 
Barry Livingston Copy Editor #3 
Christopher John Fields Copy Editor #4 - Jack Samson Young David Graysmith
Micah Sauers David Graysmith 
Zachary Sauers Aaron Graysmith - Jessica Baltutis Margot Graysmith
Peter Quartaroli Patrolman Fouke 
Geoff Callan Patrolman Zelms - Michael Hungerford Truck Driver
Anna Katarina Society Woman 
E.P. McKnight Informant (Hall of Justice A) 
Betty Murphy Informant 
Jeff Daniel Phillips Informant 
Shane Woodson Informant - Cookie Crawford Informant #8
Cassius M. Willis Uniform Cop 
Judith Drake Florence Douglas 
Phoebe Holston Prison Guard 
Marty Lodge Pinole Foreman 
Cooper Thornton Internal Affairs Agent #1 
Cazimir Milostan Internal Affairs Agent #2 - Charlotte Ferguson Kathleen Johns' Baby
- Phoebe Ferguson Kathleen Johns' Baby
- Kacey Malmsten Kathleen Johns' Baby
- Karly Malmsten Kathleen Johns' Baby
JD Cullum Director 
Stanley B. Herman Staff Editor 
Roy Lee Jones Distraught African American Male 
Michael Rose Navy Project Leader 
James Joseph O'Neil DOD Project Leader 
Rod Damer FBI Codebreaker - John Sarno Donald Harden
- Gloria Grant Bettye Harden
Brett Rickaby Detective Roy - M.F. Bernier Detective #2
- Carter Evans Newscaster #2
Bill Seward TV News Anchor - Dave Nemeth Newscaster #4
Ted Garcia Anchorman #1 - Greg Wolf Interviewer #1
- Barry LeBrock Reporter
Ione Skye Kathleen Johns (uncredited) - David Winston Barge Vallejo Desk Ofiicer (uncredited)
- Hayati Akbas Hardware Store Customer (uncredited)
Brad Carr Camera Man (uncredited) - Mitchell Fink Reporter (uncredited)
- Erica Ford Traveler (uncredited)
- Tish Hicks Informant (uncredited)
Danielle McKee Prisoner (uncredited) - Derris Nile Office Worker (uncredited)
- Carmen Plumb Janie (uncredited)
- Callie Thompson Child Witness (uncredited)
Bud Davis Patrolman (uncredited)
Crew
Grouped by departmentDirecting
4 credited
Writing
2 credited
Production
8 credited
Camera
2 credited
Editing
1 credited
Sound
15 credited
David Shire Original Music Composer 
George Drakoulias Music Supervisor - Randall Poster Music Supervisor
- Martin Erskine Music Editor
- Bryan Lawson Music Editor
- Jonathon Stevens Music Editor
- Drew Kunin Sound mixer
Michael Semanick Sound Re-Recording Mixer 
David Parker Sound Re-Recording Mixer 
Ren Klyce Supervising Sound Editor · Sound Designer 
Richard Hymns Supervising Sound Editor 
Addison Teague Sound Effects Editor - David C. Hughes Sound Effects Editor
- Richard Quinn Dialogue Editor
- Malcolm Fife Dialogue Editor
Art
3 credited
Costume & Make-Up
7 creditedVisual Effects
4 credited
Lighting
2 credited
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