| Person | Type | Job | Role(s) |
|---|---|---|---|
 Ann Biderman | Crew | Creator | Creator |
 David Franco | Crew | Camera | Director of Photography |
 David Hollander | Crew | Directing | Director, Writer, Executive Producer |
 John H. Radulovic | Crew | Production | Producer |
 Liev Schreiber | Crew | Writing | Writer, Executive Producer |
Lou Fusaro | Crew | Production | Executive Producer |
 Mark Gordon | Crew | Production | Executive Producer |
 Milos Milicevic | Crew | Production | Co-Producer |
Ray Yamagata | Crew | Art | Production Design |
Bryan Zuriff | Crew | Production | Executive Producer |
Ryan Collins | Crew | Sound | Sound Re-Recording Mixer |
Max Wixom | Crew | Art | Art Direction |
Tracey Phillips-Boone | Crew | Costume & Make-Up | Costume Design |
Nick Offord | Crew | Sound | Sound Re-Recording Mixer |
Lynne Willingham | Crew | Editing | Editor |
Schavaria Reeves | Crew | Sound | Sound Mixer |
 Charles Zambrano | Crew | Costume & Make-Up | Makeup Artist |
 Alan Alda | Cast | Actor | Dr. Arthur Amiot |
 Andrew Rothenberg | Cast | Actor | Father O'Connor |
 Dash Mihok | Cast | Actor | Bunchy Donovan |
 David Patrick Kelly | Cast | Actor | Matty |
 Eddie Marsan | Cast | Actor | Terry Donovan |
 Jon Voight | Cast | Actor | Mickey Donovan |
 Josh Hamilton | Cast | Actor | Kevin Sullivan |
 Katherine Moennig | Cast | Actress | Lena |
 Kerry Condon | Cast | Actress | Molly Sullivan |
Liev Schreiber | Cast | Actor | Ray Donovan |
 Pooch Hall | Cast | Actor | Daryll |
 AJ Michalka | Cast | Actress | Young Abby |
 Alyssa Diaz | Cast | Actress | Teresa |
 Danny Deferrari | Cast | Actor | Young Ezra |
 Kerris Dorsey | Cast | Actress | Bridget Donovan |
 Bill Heck | Cast | Actor | Young Mickey |
 Heidi Armbruster | Cast | Actress | Evelynne |
 Austin Hébert | Cast | Actor | Jim Sullivan |
 Graham Rogers | Cast | Actor | Smitty |
 Chris Petrovski | Cast | Actor | Young Sean Walker |
Carolyn Braver | Cast | Actress | Colleen |
 Chris Gray | Cast | Actor | Young Ray |
| Person | Type | Job | Role(s) |
