 28th September 2007 Cinema | ||
 12th October 2007 Cinema  | ||
19th February 2008 DVD |
28th September 2007 Cinema | ||
12th October 2007 Cinema | ||
19th February 2008 DVD |
 | Arthur Edens |
 | Barry Grissom |
 | Marty Bach |
 | Karen Crowder |
 | Michael Clayton |
 | Player #1 |
 | Walter |
 | Mr. Greer |
 | Mrs. Greer |
 | Henry Clayton |
 | Ivy |
 | Gerald |
 | Gabe Zabel |
 | Del (voice) |
 | Evan (voice) |
Don Jefferies | |
 | Don Jefferies |
 | Interviewer |
 | Anna Kaiserson |
Deposition Lawyer | |
 | Mr Verne |
 | Mr. Iker |
Cindy Bach | |
 | Raymond Clayton |
 | Det. Gene Clayton |
 | Timmy Clayton |
 | Detective Dalberto |
Copy Kid | |
Partner | |
 | First Associate |