| Person | Type | Job | Role(s) |
|---|---|---|---|
 Ben Affleck | Crew | Directing | Director, Screenplay, Producer |
 Casey O'Neill | Crew | Crew | Stunts |
 Chris Brigham | Crew | Production | Executive Producer |
 Chris Palermo | Crew | Crew | Stunt Driver |
 Christa Munro | Crew | Art | Supervising Art Director |
David Webb | Crew | Production | Co-Producer |
Dawn Swiderski | Crew | Art | Art Direction |
 Deborah Rutherford | Crew | Costume & Make-Up | Key Makeup Artist |
 Doug Coleman | Crew | Crew | Stunts |
 Harry Gregson-Williams | Crew | Sound | Original Music Composer |
 Jacqueline West | Crew | Costume & Make-Up | Costume Design |
 Jennifer Todd | Crew | Production | Producer |
 Jess Gonchor | Crew | Art | Production Design |
 Leonardo DiCaprio | Crew | Production | Producer |
 Lora Kennedy | Crew | Production | Casting |
 Matt Leonard | Crew | Crew | Stunts |
 Matt McColm | Crew | Crew | Stunts |
Mindy Marin | Crew | Production | Casting |
 Robert Richardson | Crew | Camera | Director of Photography |
Stephen Christensen | Crew | Art | Art Direction |
 Tim Trella | Crew | Crew | Stunt Coordinator |
 William Goldenberg | Crew | Editing | Editor |
Chay Carter | Crew | Production | Executive Producer |
 Dennis Lehane | Crew | Writing | Novel |
 Karin Silvestri | Crew | Crew | Stunts |
Bradley Rubin | Crew | Art | Supervising Art Director |
Jennifer Davisson | Crew | Production | Producer |
Jeremy Woodward | Crew | Art | Art Direction |
 Timothy Eulich | Crew | Crew | Stunts |
 Shawnna Thibodeau | Crew | Crew | Stunts |
Christopher Ferguson | Crew | Lighting | Lighting Programmer |
Zack Gonchor | Crew | Art | Assistant Art Director |
 Anthony Michael Hall | Cast | Actor | Gary Smith |
Ben Affleck | Cast | Actor | Joe Coughlin |
 Brendan Gleeson | Cast | Actor | Thomas Coughlin |
 Chris Cooper | Cast | Actor | Chief Irving Figgis |
 Chris Messina | Cast | Actor | Dion Bartolo |
 Christian Clemenson | Cast | Actor | Ritz Investor |
 Clark Gregg | Cast | Actor | Calvin Bondurant |
 Derek Mears | Cast | Actor | Donnie Gishler |
 J.D. Evermore | Cast | Actor | Virgil Beauregard |
 John Bishop | Cast | Actor | Disheveled Man (uncredited) |
 Larry Eudene | Cast | Actor | Northend Newspaper Vendor (uncredited) |
 Lewis D. Wheeler | Cast | Actor | Herald Reporter |
 Matthew Maher | Cast | Actor | RD Pruitt |
 Max Casella | Cast | Actor | Digger Pescatore |
 Michael Chieffo | Cast | Actor | Pastor |
 Michael Mantell | Cast | Actor | Jack Jarvis |
 Michael Papajohn | Cast | Actor | Maso's Crew (uncredited) |
 Remo Girone | Cast | Actor | Maso Pescatore |
 Robert Glenister | Cast | Actor | Albert White |
 Titus Welliver | Cast | Actor | Tim Hickey |
 Tom Virtue | Cast | Actor | Doctor |
 Zoe Saldaña | Cast | Actress | Graciella Suarez |
 Anthony Molinari | Cast | Actor | Maso's Crew (uncredited) |
Benny Ciaramello | Cast | Paulo Bartolo | |
 Bruno Amato | Cast | Actor | Jeff |
 Elle Fanning | Cast | Actress | Loretta Figgis |
 Heidi Moneymaker | Cast | Actress | Assassin (uncredited) |
 Sienna Miller | Cast | Actress | Emma Gould |
 Bill Blair | Cast | Actor | Factory Worker (uncredited) |
 Chris Sullivan | Cast | Actor | Brendan Loomis |
 Lucy Angelo | Cast | Actress | Train Passenger (uncredited) |
 Andrew Bongiorno | Cast | Actor | Fasani |
Lexie Roth | Cast | Actress | Gillette Factory Worker (uncredited) |
Katie O'Malley | Cast | Cigarette Girl (uncredited) | |
 Austin Swift | Cast | Actor | Mayweather |
 Mark Burzenski | Cast | Statler Guest (uncredited) | |
 Lucien Spelman | Cast | Actor | Statler Party Guest (uncredited) |
| Person | Type | Job | Role(s) |
