| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Adam Arkin | Crew | Directing | Director | 4 |
 Albert S. Ruddy | Crew | Production | Executive Producer | 10 |
 Colin Bucksey | Crew | Directing | Director | 2 |
 Dexter Fletcher | Crew | Production | Executive Producer, Director | 10 |
Gwyneth Horder-Payton | Crew | Directing | Director | 2 |
 John Papsidera | Crew | Production | Casting | 10 |
Leslie Greif | Crew | Production | Executive Producer, Teleplay, Story, Writer | 10 |
Michael Tolkin | Crew | Production | Executive Producer, Creator, Writer, Teleplay, Story | 10 |
 Miles Teller | Crew | Production | Executive Producer | 10 |
 Nikki Toscano | Crew | Production | Executive Producer | |
Isabella Summers | Crew | Sound | Original Music Composer | |
 Branden Williams | Cast | Actor | Gianni Russo | 3 |
 Carmine Giovinazzo | Cast | Actor | Sonny Grosso | 2 |
 Colin Hanks | Cast | Actor | Barry Lapidus | 10 |
 Dan Fogler | Cast | Actor | Francis Ford Coppola | 10 |
 Danny Nucci | Cast | Actor | Congressman Mario Biaggi | 4 |
 Diane Mizota | Cast | Actress | Studio Reporter #1 | 1 |
 Eric Balfour | Cast | Actor | Dean Tavoularis | 5 |
 Frank John Hughes | Cast | Actor | Frank Sinatra | 4 |
 Geoffrey Arend | Cast | Actor | Aram Avakian | 3 |
 Giovanni Ribisi | Cast | Actor | Joe Colombo | 10 |
 James Madio | Cast | Actor | Carmine Vispiciano | 5 |
 Jason Boegh | Cast | Actor | Polo Lounge Maître d | 1 |
 Joe Marinelli | Cast | Actor | Peter Lovano | 2 |
 Josh Zuckerman | Cast | Actor | Peter Bart | 8 |
 Juno Temple | Cast | Actress | Bettye McCartt | 10 |
 Justin Chambers | Cast | Actor | Marlon Brando | 4 |
 Kirk Acevedo | Cast | Actor | Special Agent Hale | 1 |
 Lola Glaudini | Cast | Actress | Candida Donadio | 1 |
 Lou Ferrigno | Cast | Actor | Lenny Montana | 8 |
 Louis Mandylor | Cast | Actor | Mickey Cohen | 1 |
 Marcelo Tubert | Cast | Actor | Dominic Magnolia | 1 |
 Mark Atteberry | Cast | Bill Thompson | 1 | |
 Mark Berry | Cast | Actor | Agent Richman | 2 |
 Matthew Goode | Cast | Actor | Robert Evans | 10 |
 Michael Landes | Cast | Actor | Vic Damone | 1 |
 Michael Rispoli | Cast | Actor | Tommy Lucchese | 3 |
 Patrick Gallo | Cast | Actor | Mario Puzo | 6 |
 Patrick Labyorteaux | Cast | Actor | Murray Miller | 1 |
 Paul McCrane | Cast | Actor | Jack Ballard | 5 |
 Ross McCall | Cast | Actor | Special Agent Moran | 1 |
 Sal Landi | Cast | Actor | Joe Bonnano | 1 |
 T.J. Thyne | Cast | Actor | Gordy Willis | 5 |
 Ted Monte | Cast | Actor | Anthony Coniglio | 1 |
 Victoria Garcia-Kelleher | Cast | Actress | Erika Puzo | 1 |
 Vito D'Ambrosio | Cast | Actor | Italian Man | 1 |
 Burn Gorman | Cast | Actor | Charles Bluhdorn | 10 |
 Christian Pedersen | Cast | Gary Glynn | 1 | |
Christopher Wolfe | Cast | Italian League Reporter #1 | 1 | |
 Derek Richardson | Cast | Actor | Mitch Kaufman | 1 |
 Emil Beheshti | Cast | Actor | Surveyor #1 | 1 |
 Lynn Adrianna | Cast | Actress | Madolina Colombo | 1 |
Miles Teller | Cast | Actor | Albert S. 'Al' Ruddy | 10 |
 Rick Gifford | Cast | Premiere Reporter #2 | 1 | |
 Aimee Carrero | Cast | Actress | Rosie Molina | 1 |
 Billy Magnussen | Cast | Actor | Robert Redford | 1 |
 Charlie Heydt | Cast | Actor | Jim Aubrey | 1 |
 Mimi Gianopulos | Cast | Actress | Sue Mengers | 1 |
 Nora Arnezeder | Cast | Actress | Françoise Glaser | 4 |
 Joseph Russo | Cast | Joe Gallo | 6 | |
 Kyle S. More | Cast | Actor | Bernie Fein | 1 |
 Stephanie Koenig | Cast | Actress | Andrea Eastman | 4 |
 Corrin Evans | Cast | Amy | 1 | |
 Johnno Wilson | Cast | Actor | Bartender | 1 |
 Annie Funke | Cast | Actress | Sheila | 5 |
 Max Bennett | Cast | Actor | Mob Butcher | 1 |
 Duncan Bravo | Cast | Actor | Dr. Karam Singh | 1 |
 Brandon Sklenar | Cast | Actor | Burt Reynolds | 1 |
 Tony Robinette | Cast | Actor | Eugene Vault | 1 |
 Michael Gandolfini | Cast | Actor | Andy Calhoun | 1 |
Kenny Barr | Cast | Stunt Coordinator | 1 | |
Christian Roberts | Cast | Italian League Reporter #3 | 1 | |
 Jack Trout | Cast | Actor | Prison Guard | 10 |
| Person | Type | Job | Role(s) | Episodes |
