Zodiac

Jake Gyllenhaal

(Robert Graysmith)

Mark Ruffalo

(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 LeGros

(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)

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)

Micah Sauers

(David Graysmith)

Zachary Sauers

(Aaron Graysmith)

Peter Quartaroli

(Patrolman Fouke)

Geoff Callan

(Patrolman Zelms)

Anna Katarina

(Society Woman)

E.P. McKnight

(Informant (Hall of Justice A))

Betty Murphy

(Informant)

Jeff Daniel Phillips

(Informant)

Shane Woodson

(Informant)

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)

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)

Brett Rickaby

(Detective Roy)

Bill Seward

(TV News Anchor)

Ted Garcia

(Anchorman #1)

Ione Skye

(Kathleen Johns (uncredited))

Brad Carr

(Camera Man (uncredited))

Danielle McKee

(Prisoner (uncredited))

Bud Davis

(Patrolman (uncredited))