| Michael Stahl-David | ... | Sean Donnelly (14 episodes, 2007) |
| Jonathan Tucker | ... | Tommy Donnelly (14 episodes, 2007) |
 | Tom Guiry | ... | Jimmy Donnelly (14 episodes, 2007) |
| Olivia Wilde | ... | Jenny Reilly (14 episodes, 2007) |
| Billy Lush | ... | Kevin Donnelly (14 episodes, 2007) |
| Kirk Acevedo | ... | Nicky Cottero (14 episodes, 2007) |
| Keith Nobbs | ... | Joey Ice Cream (14 episodes, 2007) |
| Patrick Brennan | ... | Earl (13 episodes, 2007) |
| Peter Greene | ... | Derek 'Dokey' Farrell (13 episodes, 2007) |
| Brian Tarantina | ... | Vinnie Culiari (12 episodes, 2007) |
| Betsy Beutler | ... | Joanie (12 episodes, 2007) |
| Kevin Conway | ... | Jenny's Pop / ... (10 episodes, 2007) |
| Max Miner | ... | Young Tommy / ... (9 episodes, 2007) |
| Kate Mulgrew | ... | Helen Donnelly / ... (9 episodes, 2007) |
| Jimmy Walsh | ... | Young Jimmy / ... (8 episodes, 2007) |
| Brian Donahue | ... | Jackie (7 episodes, 2007) |
| Kevin Corrigan | ... | Whitey (6 episodes, 2007) |
| James Badge Dale | ... | Samson (6 episodes, 2007) |
| Michael Rispoli | ... | Alo / ... (6 episodes, 2007) |
| John Bolger | ... | Bobby Donnelly (6 episodes, 2007) |
| Nick Damici | ... | Ray / ... (6 episodes, 2007) |
| T.J. Stanton | ... | Young Kevin / ... (6 episodes, 2007) |
| Molly Schaffer | ... | Kate Farrell (6 episodes, 2007) |
| Jamie Bonelli | ... | Nadine (6 episodes, 2007) |
| Lance Michael Schaefer | ... | Young Sean / ... (5 episodes, 2007) |
| Seamus Davey-Fitzpatrick | ... | Matthew (5 episodes, 2007) |
| Dick Latessa | ... | Father Dufelt (5 episodes, 2007) |
| Adelia Saunders | ... | Kim (5 episodes, 2007) |
| Jacqueline Hendy | ... | Corey (5 episodes, 2007) |
| Ned Eisenberg | ... | Detective Frankie Stein (4 episodes, 2007) |
| Bridget Regan | ... | Trish Hughes (4 episodes, 2007) |
| Chris Bauer | ... | Huey Farrell (3 episodes, 2007) |
| Harry O'Reilly | ... | Detective McCarthy (3 episodes, 2007) |
| Chance Kelly | ... | Johnny Mac / ... (3 episodes, 2007) |
| Dylan Hartigan | ... | Young Joey / ... (3 episodes, 2007) |
| Tom Mason | ... | Councilman Jack Trevor (3 episodes, 2007) |
| Elizabeth Gillies | ... | Young Jenny / ... (3 episodes, 2007) |
| Elizabeth Regen | ... | Mia (3 episodes, 2007) |
| Mark Margolis | ... | Sal Minetta (2 episodes, 2007) |
| Sherri Parker Lee | ... | Dr. Lisa Tyler (2 episodes, 2007) |
| Joe D'Onofrio | ... | Louie Downtown (2 episodes, 2007) |
| Bruce MacVittie | ... | Lambert (2 episodes, 2007) |
| Allan Steele | ... | Detective Calero / ... (2 episodes, 2007) |
| Gil Rogers | ... | Jonesy (2 episodes, 2007) |
| Jack O'Connell | ... | Card Player #1 / ... (2 episodes, 2007) |
| John Juback | ... | Leo the Bartender (2 episodes, 2007) |
| Jude Moresco | ... | Another guy in bar / ... (2 episodes, 2007) |
| Chris Kipiniak | ... | Sharkey (2 episodes, 2007) |
| Richard Petrocelli | ... | Italian Soldier / ... (2 episodes, 2007) |
| Harris Doran | ... | Bookstore Clerk (2 episodes, 2007) |
| Joe Flood | ... | Christie (2 episodes, 2007) |
| Lauren Bittner | ... | Mary Ann Maxwell (2 episodes, 2007) |
| Joe Pistone | ... | Brian (2 episodes, 2007) |
| Kathleen Doyle | ... | Helen Donnelly / ... (2 episodes, 2007) |
| Vince Cupone | ... | Man in cab / ... (2 episodes, 2007) |
| Thomas M. Hagen | ... | Bar Patron / ... (2 episodes, 2007) |
|
| Paul Haggis | .... | executive producer (14 episodes, 2007) |
| Mark R. Harris | .... | co-executive producer (14 episodes, 2007) |
| Jeff King | .... | supervising producer / producer (14 episodes, 2007) |
| Dana Maksimovich | .... | co-producer (13 episodes, 2007) |
| Robert Moresco | .... | executive producer (13 episodes, 2007) |
| Denise Pleune | .... | associate producer (13 episodes, 2007) |
| Rafael Álvarez | .... | producer (12 episodes, 2007) |
| James Bigwood | .... | producer (12 episodes, 2007) |
| Kim Clements | .... | co-producer / producer (12 episodes, 2007) |
| Bob Lowry | .... | executive producer (12 episodes, 2007) |
| Sean Whitesell | .... | co-executive producer (12 episodes, 2007) |
| |
|
| Anthony Dimeo | .... | property master (13 episodes, 2007) |
| Michael Finnerty | .... | construction coordinator (13 episodes, 2007) |
| Chris DeTitta | .... | leadman (12 episodes, 2007) |
| Laurel Kolsby | .... | graphic designer (12 episodes, 2007) |
| Joe Landolfi | .... | set dresser (12 episodes, 2007) |
| Peter Regnier | .... | set dresser (12 episodes, 2007) |
| Geoffrey A. Ehrlich | .... | art department coordinator / art coordinator (10 episodes, 2007) |
| Jeffrey L. Glave | .... | scenic chargeman (6 episodes, 2007) |
| Celia Parker | .... | camera scenic artist (5 episodes, 2007) |
| Charles E. McCarry | .... | assistant art director (3 episodes, 2007) |
| Shannon Finnerty | .... | buyer (2 episodes, 2007) |
|
| Kevin L. Raper | .... | graphic artist (unknown episodes) |
| |
|
| Jon Mete | .... | supervising sound editor / sound supervisor (14 episodes, 2007) |
| James Bailey | .... | foley artist (13 episodes, 2007) |
| Tim Farrell | .... | sound effects editor / sound editor (13 episodes, 2007) |
| Brian Miksis | .... | production sound mixer / production sound (13 episodes, 2007) |
| Karl Wasserman | .... | sound utility (13 episodes, 2007) |
| Verna Mandel | .... | sound recordist (12 episodes, 2007) |
| Kevin Patrick Burns | .... | sound re-recording mixer (11 episodes, 2007) |
| Ashley Harvey | .... | sound editor (11 episodes, 2007) |
| Daryl Lathrop | .... | adr recordist (11 episodes, 2007) |
| Carrie Lisonbee | .... | assistant sound editor (11 episodes, 2007) |
| Hugh Murphy | .... | assistant sound editor (11 episodes, 2007) |
| Todd Orr | .... | sound re-recording mixer (11 episodes, 2007) |
| Tyler Parkinson | .... | pre-record engineer (11 episodes, 2007) |
| Carlie Bergman | .... | adr recordist (9 episodes, 2007) |
| David Pastecchi | .... | boom operator (9 episodes, 2007) |
| Dan Guachione | .... | boom operator (5 episodes, 2007) |
| Paul Longstaffe | .... | dialog editor / dialogue editor (2 episodes, 2007) |
| |
|
| Charles Sherron | .... | key grip (13 episodes, 2007) |
| Stan Keitt | .... | first assistant camera: "b" camera (12 episodes, 2007) |
| Steve Ramsey | .... | gaffer (12 episodes, 2007) |
| Ernest Yurich | .... | rigging grip (12 episodes, 2007) |
| Niels Alpert | .... | camera operator: "a" camera (11 episodes, 2007) |
| Zachary Henderson | .... | grip (11 episodes, 2007) |
| Charles Meere III | .... | rigging gaffer (11 episodes, 2007) |
| Frank Schumo | .... | best boy rigging grip (11 episodes, 2007) |
| Sandy Hays | .... | Steadicam operator / camera operator: "b" camera / ... (9 episodes, 2007) |
| Antonio Ponti | .... | first assistant camera: "a" camera (9 episodes, 2007) |
| Howard J. Cournoyer | .... | dimmer board operator (8 episodes, 2007) |
| Scott Maher | .... | electrician (7 episodes, 2007) |
| Wesley Hodges | .... | camera loader (6 episodes, 2007) |
| Laura Hudock | .... | second assistant camera: "a" camera (6 episodes, 2007) |
| Sean McCardell | .... | best boy electric (5 episodes, 2007) |
| Stephen Consentino | .... | Steadicam operator / camera operator: "b" camera (3 episodes, 2007) |
| Frank Rinato | .... | first assistant camera: "a" camera (3 episodes, 2007) |
| George Selden | .... | electrician (3 episodes, 2007) |
| Jeff Niggemeyer | .... | electrician (2 episodes, 2007) |
| Susan Starr | .... | camera operator: "a" camera (2 episodes, 2007) |
|
| Alisa M. Colley | .... | second assistant camera: "a" camera (unknown episodes) |
| Dan Kubicek | .... | additional electrician (unknown episodes) |
| |
|
| Gilles Chiasson | .... | assistant: Robert Moresco (13 episodes, 2007) |
| Dawn Mountain | .... | assistant production coordinator (13 episodes, 2007) |
| Gian Sardar | .... | assistant: Paul Haggis (13 episodes, 2007) |
| Luis D. Chacon | .... | production assistant: Los Angeles (12 episodes, 2007) |
| Sasha Charlemagne | .... | production secretary (12 episodes, 2007) |
| Amanda Greenblatt | .... | assistant: Mr. King & Ms. Maksimovich / assistant: Jeff King & Dana Maksimovich (12 episodes, 2007) |
| Kalita Greene | .... | location coordinator (12 episodes, 2007) |
| Alissa Haggis | .... | assistant: Paul Haggis (12 episodes, 2007) |
| Charlynne J. Hopson | .... | assistant location manager (12 episodes, 2007) |
| Amanda Moresco | .... | assistant to writers (12 episodes, 2007) |
| Timothy O'Malley | .... | office production assistant: New York (12 episodes, 2007) |
| Nicole Real | .... | office production assistant: New York (12 episodes, 2007) |
| Dawn Murphy Riley | .... | production coordinator (12 episodes, 2007) |
| Pat Sones | .... | location manager (12 episodes, 2007) |
| Sascha Springer | .... | assistant location manager (12 episodes, 2007) |
| Todd Eliassen | .... | script coordinator (11 episodes, 2007) |
| Suzanne Joskow | .... | assistant: Mark R. Harris / assistant: Mr Harris / ... (11 episodes, 2007) |
| Jennifer Rogers | .... | assistant: Robert Moresco (11 episodes, 2007) |
| Thomas Kelly | .... | creative consultant (10 episodes, 2007) |
| Nick Schepisi | .... | set production assistant (10 episodes, 2007) |
| Logan Wolfe Edler | .... | key production assistant (9 episodes, 2007) |
| Lowell Freedman | .... | set production assistant (9 episodes, 2007) |
| Adam Yaeger | .... | accounting clerk (9 episodes, 2007) |
| Lindsey Magee | .... | location coordinator (8 episodes, 2007) |
| Adam Taylor | .... | first assistant accountant (8 episodes, 2007) |
| Adam Wolenski | .... | second assistant accountant (8 episodes, 2007) |
| Breta Bas | .... | production assistant (7 episodes, 2007) |
| Adrienne Dine | .... | intern (7 episodes, 2007) |
| Holly Unterberger | .... | script supervisor (7 episodes, 2007) |
| Lee Davis | .... | script supervisor (6 episodes, 2007) |
| Melissa A. Messick | .... | production assistant (6 episodes, 2007) |
| Phillip Saxton | .... | location scout (6 episodes, 2007) |
| Faya Madrid | .... | production assistant (5 episodes, 2007) |
| Susan Saunders | .... | production accountant (5 episodes, 2007) |
| Denise Violante | .... | production assistant (5 episodes, 2007) |
| Joe Cecchini | .... | location assistant (4 episodes, 2007) |
| Fernando Vallejo | .... | production assistant (4 episodes, 2007) |
| Tristan Cowen | .... | location assistant (3 episodes, 2007) |
| R. Dylan Evans | .... | location scout (3 episodes, 2007) |
| Kenny Pierce | .... | production assistant (3 episodes, 2007) |
| Mark Felderbaum | .... | medical consultant (2 episodes, 2007) |
| Mario Nila | .... | production assistant (2 episodes, 2007) |
| Vincenzo Rotondo | .... | craft service assistant (2 episodes, 2007) |
|
| Jerry Carita | .... | location scout (unknown episodes) |
| Marilyn DeJesus | .... | payroll accountant (unknown episodes) |
| Kimberly Feinman | .... | assistant location manager (unknown episodes) |
| Dena Ghieth | .... | location assistant (unknown episodes) |
| Michael C. Lizzio | .... | production assistant (unknown episodes) |
| |
