| Cast |
| Jake Gyllenhaal |
Robert Graysmith
|
| Mark Ruffalo |
Inspector David Toschi
|
| Anthony Edwards |
Inspector William Armstrong
|
| Robert Downey Jr. |
Paul Avery
|
| Brian Cox |
Melvin Belli
|
| John Carroll Lynch |
Arthur Leigh Allen
|
| Richmond Arquette |
Zodiac 1 & 2
|
| Bob Stephenson |
Zodiac 3
|
| John Lacy |
Zodiac 4
|
| Chloë Sevigny |
Melanie
|
|
| Crew |
| Director |
David Fincher |
| Writer |
James Vanderbilt |
| Writer |
Robert Graysmith |
| Producer |
Ceán Chaffin |
| Producer |
Brad Fischer |
|
