
| Carla Gugino | ... | Karen Sisco (10 episodes, 2003-2004) |
 | Bill Duke | ... | Amos Andrews (10 episodes, 2003-2004) |

| Robert Forster | ... | Marshall Sisco (10 episodes, 2003-2004) |

| Jeffrey De Serrano | ... | Edwards (6 episodes, 2003-2004) |

| William O'Leary | ... | Phil Kavanagh (5 episodes, 2003-2004) |

| Obba Babatundé | ... | Daniel Burden (3 episodes, 2003-2004) |

| Robert Deacon | ... | Mordecai Jones (3 episodes, 2003-2004) |

| Micah May | ... | U.S. Marshal / ... (2 episodes, 2003-2004) |

| Kate Walsh | ... | Marley Novak / ... (2 episodes, 2003-2004) |

| Gary Cole | ... | Konner (2 episodes, 2003) |

| Danny DeVito | ... | Charlie Lucre (2 episodes, 2003) |
 | Frank Pesce | ... | Con #1 / ... (2 episodes, 2003) |

| Wayne Lopez | ... | DEA Agent (2 episodes, 2004) |
|
| Bob Brush | .... | executive producer (1 episode, 2004) |
| Danny DeVito | .... | executive producer (1 episode, 2004) |
| Michael Dinner | .... | executive producer (1 episode, 2004) |
| Lois Johnson | .... | producer (1 episode, 2004) |
| John Landgraf | .... | executive producer (1 episode, 2004) |
| John Mankiewicz | .... | consulting producer (1 episode, 2004) |
| Mark H. Ovitz | .... | producer (1 episode, 2004) |
| Michael Shamberg | .... | executive producer (1 episode, 2004) |
| Stacey Sher | .... | executive producer (1 episode, 2004) |
| Jason Smilovic | .... | co-executive producer (1 episode, 2004) |
| Barry Sonnenfeld | .... | producer (1 episode, 2004) |
|
| Rob Corn | .... | producer (unknown episodes) |
| Peter Giuliano | .... | producer (unknown episodes) |
| Terri Kopp | .... | supervising producer (unknown episodes) |
| Peter Lefcourt | .... | co-executive producer (unknown episodes) |
| |