
| Scott Bakula | ... | Dr. Sam Beckett / ... (97 episodes, 1989-1993) |
 | Dean Stockwell | ... | Admiral Al Calavicci (97 episodes, 1989-1993) |

| Deborah Pratt | ... | Ziggy / ... (38 episodes, 1989-1993) |
 | Dennis Wolfberg | ... | Gooshie / ... (6 episodes, 1989-1993) |
 | W.K. Stratton | ... | Attorney Lawrence 'Larry' Stanton III / ... (5 episodes, 1989-1992) |

| Richard Partlow | ... | Reporter (5 episodes, 1992-1993) |
 | Carolyn Seymour | ... | Zoey / ... (4 episodes, 1989-1993) |
 | Fran Bennett | ... | Marie Billings / ... (4 episodes, 1991-1992) |
 | Brad Silverman | ... | Jimmy LaMotta / ... (4 episodes, 1989-1993) |
 | Michael Bellisario | ... | Billy, the bat boy / ... (4 episodes, 1989-1993) |
 | Renée Coleman | ... | Alia (3 episodes, 1992-1993) |

| Stephen Lee | ... | Sheriff Bo Loman / ... (3 episodes, 1992) |
 | Meg Foster | ... | Laura Fuller (3 episodes, 1992) |
 | Mary Gordon Murray | ... | Leta Aider (3 episodes, 1992) |
 | John D'Aquino | ... | Frank LaMotta / ... (3 episodes, 1989-1993) |

| Willie Garson | ... | Alik Idell / ... (3 episodes, 1989-1992) |

| Eric Bruskotter | ... | Beau / ... (3 episodes, 1991-1993) |
 | Rodney Kageyama | ... | Joda / ... (3 episodes, 1990-1992) |
 | James Whitmore Jr. | ... | Bob Crockett / ... (3 episodes, 1991-1993) |

| Melora Hardin | ... | Abigail Fuller (2 episodes, 1992) |

| David Newsom | ... | Navy Lt. Tom Beckett (2 episodes, 1990) |

| Richard Herd | ... | Moe Stein / ... (2 episodes, 1991-1993) |
 | Max Wright | ... | Doc Kinman (2 episodes, 1992) |
 | Paul Linke | ... | Lionel / ... (2 episodes, 1989-1990) |

| Olivia Burnette | ... | Katie Beckett / ... (2 episodes, 1990) |

| Michael D. Roberts | ... | Isaac King / ... (2 episodes, 1989-1993) |

| Mike Genovese | ... | Don Geno Frascotti / ... (2 episodes, 1989-1993) |

| Bruce McGill | ... | Al the Bartender / ... (2 episodes, 1989-1993) |
 | Parley Baer | ... | Dr. Rogers / ... (2 episodes, 1991-1992) |
 | Dan Butler | ... | Jake Dorleac / ... (2 episodes, 1991-1993) |

| Travis Fine | ... | Will Kinman (2 episodes, 1992) |
 | Kimberly Cullum | ... | Abigail Fuller / ... (2 episodes, 1992) |

| J.D. Daniels | ... | Josh Elroy / ... (2 episodes, 1993) |
 | Howard Matthew Johnson | ... | Jesse Tyler (2 episodes, 1989-1991) |
 | Adam Logan | ... | Young Sam Beckett (2 episodes, 1989-1990) |

| Jon Gries | ... | Flash McGrath / ... (2 episodes, 1989-1991) |

| Pat Skipper | ... | Lucas 'Luke' Marlet / ... (2 episodes, 1990-1993) |
 | Charles Rocket | ... | Commander Dirk Riker / ... (2 episodes, 1990-1992) |
 | Gregory Millar | ... | Lonnie Harper / ... (2 episodes, 1990) |
 | Reni Santoni | ... | Sgt. Lopez (2 episodes, 1992) |
 | Royce D. Applegate | ... | Radio Reporter / ... (2 episodes, 1989-1991) |

| Andrea Thompson | ... | Maggie Dawson (2 episodes, 1990-1991) |

| Liz Vassey | ... | Barbara Whitmore / ... (2 episodes, 1991-1993) |
 | Teddy Wilson | ... | Ernie Tyler / ... (2 episodes, 1990) |
 | Natasha Pavlovich | ... | Marina Oswald (2 episodes, 1992) |
 | Laura Harrington | ... | Connie LaMotta (2 episodes, 1989-1992) |

| Elya Baskin | ... | Major Yuri Kosenko (2 episodes, 1992) |
 | Sloan Fischer | ... | Dr. Daniel Young / ... (2 episodes, 1989) |

| Candy Ann Brown | ... | Dr. Verbeena Beeks (2 episodes, 1991) |
 | Anne Haney | ... | Cassy Thailer / ... (2 episodes, 1991) |

| Donna Magnani | ... | Mariska (2 episodes, 1992) |
 | Ryan McWhorter | ... | Corey LaMotta (2 episodes, 1989-1992) |

| Susan Isaacs | ... | Lucy / ... (2 episodes, 1991-1992) |
 | Richard Riehle | ... | Clifford Vargas / ... (2 episodes, 1989-1990) |
 | Susan Diol | ... | Beth Calavicci (2 episodes, 1990-1993) |

| Jan Eddy | ... | Benny Skyler / ... (2 episodes, 1990-1991) |
 | Philip McNiven | ... | PFC Briggs (2 episodes, 1992) |
 | Rich Whiteside | ... | Doc / ... (2 episodes, 1990-1992) |
 | Ward C. Boland | ... | Lt. Obrigowitz (2 episodes, 1992) |
 | Lela Ivey | ... | Chloe / ... (2 episodes, 1989-1991) |
 | Patty Toy | ... | Bar Girl (2 episodes, 1992) |
 | James Medina | ... | Carlos (2 episodes, 1992) |
 | Heather Lauren Olson | ... | Violet Aider (2 episodes, 1992) |

| LaReine Chabut | ... | Samantha Stormer (2 episodes, 1989-1991) |

| Chris Kinkade | ... | New Orleans Policeman (2 episodes, 1992) |
 | Kurt Andon | ... | John Beckett Photo Double / ... (2 episodes, 1989-1992) |
 | Erika Amato | ... | Lt. Anna Guri (2 episodes, 1992) |

| Max Lazar | ... | Guard (2 episodes, 1992) |
 | Hank Robinson | ... | First Umpire / ... (2 episodes, 1989-1991) |
 | Nathan Lisle | ... | Frazier (2 episodes, 1992) |
 | Karen Ingram | ... | Jackie Kennedy (2 episodes, 1992) |
 | Donald P. Bellisario | ... | Dr. Timothy Mintz (2 episodes, 1989-1993) |
 | Jamie Walters | ... | Albert 'Bingo' Calavicci / ... (2 episodes, 1989-1992) |

| Dean Denton | ... | Capt. Tom Jarret / ... (2 episodes, 1989-1991) |
 | Patrick Massett | ... | Ralph Beaumont / ... (2 episodes, 1989-1991) |
 | Maria Lauren | ... | Anita / ... (2 episodes, 1989-1990) |

| Darren VanCleef | ... | High School Teacher / ... (2 episodes, 1989) |

| Chi Muoi Lo | ... | Vinh (2 episodes, 1990) |

| Elliott J. Brown | ... | Frat Brother Stuart / ... (2 episodes, 1993) |
|
| Donald P. Bellisario | .... | executive producer / associate producer (96 episodes, 1989-1993) |
| Deborah Pratt | .... | co-executive producer / supervising producer / ... (48 episodes, 1989-1993) |
| Harker Wade | .... | producer / supervising producer (48 episodes, 1989-1993) |
| Jeff Gourson | .... | co-producer / associate producer (43 episodes, 1989-1991) |
| Paul Brown | .... | co-producer (36 episodes, 1989-1991) |
| Chris Ruppenthal | .... | producer / co-producer (36 episodes, 1989-1991) |
| David Bellisario | .... | associate producer (23 episodes, 1989-1990) |
| Jimmy Giritlian | .... | associate producer (22 episodes, 1990-1991) |
| Michael Zinberg | .... | co-executive producer (22 episodes, 1990-1991) |
| Robert Wolterstorff | .... | supervising producer (18 episodes, 1989-1990) |
| Paul M. Belous | .... | supervising producer (11 episodes, 1989-1990) |
| John Hill | .... | supervising producer (6 episodes, 1989) |
| Scott Shepherd | .... | supervising producer (4 episodes, 1989-1990) |
| Robin Bernheim | .... | producer (2 episodes, 1993) |
| Chas. Floyd Johnson | .... | co-executive producer (2 episodes, 1993) |
| Richard C. Okie | .... | supervising producer (2 episodes, 1993) |
|
| Scott Ejercito | .... | associate producer (unknown episodes) |
| Joanne Oboyski | .... | assistant associate producer (unknown episodes) |
| Tommy Thompson | .... | supervising producer (unknown episodes) |
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