
| Bonita Friedericy | ... | General Beckman / ... (23 episodes, 2007-2008) |

| Zachary Levi | ... | Chuck Bartowski (18 episodes, 2007-2008) |

| Yvonne Strahovski | ... | Sarah Walker (18 episodes, 2007-2008) |
 | Joshua Gomez | ... | Morgan Grimes (18 episodes, 2007-2008) |

| Sarah Lancaster | ... | Ellie Bartowski (18 episodes, 2007-2008) |

| Adam Baldwin | ... | John Casey / ... (18 episodes, 2007-2008) |

| Vik Sahay | ... | Lester (18 episodes, 2007-2008) |

| Scott Krinsky | ... | Jeff / ... (17 episodes, 2007-2008) |

| Ryan McPartlin | ... | Captain Awesome (14 episodes, 2007-2008) |

| Julia Ling | ... | Anna Wu (14 episodes, 2007-2008) |

| Mark Christopher Lawrence | ... | Big Mike (12 episodes, 2007-2008) |
 | Tony Todd | ... | CIA Director Graham (9 episodes, 2007-2008) |

| C.S. Lee | ... | Harry Tang (6 episodes, 2007-2008) |
 | Matthew Bomer | ... | Bryce Larkin (6 episodes, 2007-2008) |

| Jesse Heiman | ... | Fernando (5 episodes, 2007-2008) |

| Rachel Bilson | ... | Lou (2 episodes, 2007) |
 | Anthony Ruivivar | ... | Tommy (2 episodes, 2007) |
 | Rick Hoffman | ... | Agent Scary (2 episodes, 2007) |

| Chris Dotson | ... | Scooter (2 episodes, 2007) |
 | Greg Baine | ... | Special Agent Ben Katz (2 episodes, 2007-2008) |

| Creagen Dow | ... | Teenage Boy (2 episodes, 2007) |
|
| Lisa Cochran-Neilan | .... | co-producer / producer (15 episodes, 2007-2008) |
| Chris Fedak | .... | co-executive producer / executive producer (15 episodes, 2007-2008) |
| Peter Johnson | .... | co-executive producer (15 episodes, 2007-2008) |
| Ben Kunde | .... | co-producer (15 episodes, 2007-2008) |
| Paul Marks | .... | producer (15 episodes, 2007-2008) |
| McG | .... | executive producer (15 episodes, 2007-2008) |
| Matthew Miller | .... | co-executive producer (15 episodes, 2007-2008) |
| Josh Schwartz | .... | executive producer (15 episodes, 2007-2008) |
| Allison Adler | .... | co-executive producer (14 episodes, 2007-2008) |
| Anne Cofell Saunders | .... | co-producer / producer (14 episodes, 2007-2008) |
| Phil Klemmer | .... | producer / supervising producer (14 episodes, 2007-2008) |
| Robert Duncan McNeill | .... | producer / supervising producer (14 episodes, 2007-2008) |
| Scott Rosenbaum | .... | co-executive producer / executive producer (14 episodes, 2007-2008) |
| Rick Hubert | .... | associate producer (9 episodes, 2007-2008) |
| |
|
| Deron Street | .... | first assistant sound editor (26 episodes, 2007-2008) |
| Ed Carr | .... | sound re-recording mixer (15 episodes, 2007-2008) |
| Gregory M. Gerlich | .... | supervising sound editor (15 episodes, 2007-2008) |
| Todd Grace | .... | sound re-recording mixer (15 episodes, 2007-2008) |
| Troy Porter | .... | adr mixer (13 episodes, 2007-2008) |
| Scott Solan | .... | boom operator (12 episodes, 2007-2008) |
| Michael Kreple | .... | foley mixer (11 episodes, 2007-2008) |
| Jon Tendrich | .... | utility sound person / sound mixer: splinter unit / ... (11 episodes, 2007-2008) |
| Jason Oliver | .... | sound recordist (7 episodes, 2007-2008) |
| Donald Zenz | .... | sound mixer (5 episodes, 2007-2008) |
| Tim Coston | .... | boom operator (3 episodes, 2007) |
| Ronald L. Wright | .... | boom operator (3 episodes, 2008) |
| Timothy A. Cleveland | .... | sound editor (2 episodes, 2007) |
| Rob Cunningham | .... | boom operator: second unit (2 episodes, 2007) |
| Jessica A. Dickson | .... | dialogue editor (2 episodes, 2007) |
| Buck Robinson | .... | sound mixer: second unit (2 episodes, 2007) |
| Nicholas R. Allen | .... | sound mixer (2 episodes, 2008) |
|
| William Jacobs | .... | sound effects editor (unknown episodes) |
| |
|
| David Castillo | .... | stunt double: lead (13 episodes, 2007-2008) |
| Scott Workman | .... | stunt double (8 episodes, 2007-2008) |
| Alisa Hensley | .... | stunt double: Yvonne Strahovski (7 episodes, 2007) |
| Brian Simpson | .... | utility stunts / stunt performer (6 episodes, 2007-2008) |
| Shauna Duggins | .... | stunt double: Mini Anden / stunt double: Yvonne Strahovski (2 episodes, 2007-2008) |
| Becky Ohmes | .... | stunt double / stunt performer (2 episodes, 2007-2008) |
| Mark Aaron Wagner | .... | stunt double: Matthew Bomer (2 episodes, 2007-2008) |
| Todd Warren | .... | stunt rigger / stunts (2 episodes, 2007-2008) |
| Eddie Davenport | .... | stunt double / stunt double: Adam Baldwin (2 episodes, 2007) |
| David Morizot | .... | fight choreographer (2 episodes, 2007) |
| Karin Silvestri | .... | stunts (2 episodes, 2007) |
| Justin Sundquist | .... | stunts (2 episodes, 2007) |
|
| Damon Caro | .... | stunt performer (unknown episodes) |
| Gary Guercio | .... | stunt double (unknown episodes) |
| Daniel Hernandez | .... | stunts (unknown episodes) |
| Rex Reddick | .... | stunt performer (unknown episodes) |
| Daniel Stevens | .... | stunt performer (unknown episodes) |
| Tim Trella | .... | stunt coordinator (unknown episodes) |
| |
|
| Ben Betts | .... | key video engineer (17 episodes, 2007-2008) |
| Jesse Crusing | .... | electrician (12 episodes, 2007-2008) |
| Matthew A. Del Ruth | .... | first assistant camera (9 episodes, 2007-2008) |
| Eddie Mariano | .... | camera production assistant (9 episodes, 2007-2008) |
| Jacqueline J. Nivens | .... | second assistant camera (8 episodes, 2007-2008) |
| Grant Yellen | .... | first assistant camera: "b" camera (8 episodes, 2007-2008) |
| Neil Toussaint | .... | camera operator (7 episodes, 2007-2008) |
| Taj J. Teffaha | .... | camera operator (4 episodes, 2007-2008) |
| Joel Perkal | .... | first assistant camera: "a" camera (4 episodes, 2007) |
| John Linares | .... | best boy electric (3 episodes, 2007) |
| Jerry Taylor | .... | electrician / rigging electrician (3 episodes, 2007) |
| Michael Yarish | .... | still photographer (3 episodes, 2007) |
| Michael Zogleman | .... | lighting technician (2 episodes, 2007) |
|
| Jordan Confer | .... | film loader (unknown episodes) |
| Kelly Cummins | .... | second assistant camera (unknown episodes) |
| Barry Gross | .... | rigging gaffer (unknown episodes) |
| Brian Scotti | .... | lighting technician (unknown episodes) |
| |
|
| Jeremy Guarisco | .... | assistant production coordinator / production assistant (25 episodes, 2007-2008) |
| Giovanna Paola Giangregorio | .... | production assistant (13 episodes, 2008) |
| Nick White | .... | production assistant (13 episodes, 2008) |
| Sam Lembeck | .... | production assistant (12 episodes, 2007-2008) |
| Skye Stolnitz | .... | assistant to producers (12 episodes, 2007-2008) |
| Tezmon Williams | .... | assistant production coordinator (12 episodes, 2007-2008) |
| Andrew Veeder | .... | assistant to line producer (11 episodes, 2007-2008) |
| Rick Poyner | .... | key assistant location manager (8 episodes, 2007-2008) |
| Casey Green | .... | video/computer playback operator (7 episodes, 2008) |
| Kirsten Pope | .... | script supervisor (6 episodes, 2007-2008) |
| Matt Whitney | .... | writing assistant (5 episodes, 2007-2008) |
| Nikolai Loveikis | .... | food stylist (3 episodes, 2007-2008) |
| Jon Derengowski | .... | production assistant: writers (2 episodes, 2007) |
| Gary Juan | .... | production accountant (2 episodes, 2008) |
| Aaron Lomeli | .... | production assistant (2 episodes, 2008) |
|
| Robert Karpman | .... | location manager (unknown episodes) |
| Kyle McCrary | .... | key set production assistant (unknown episodes) |
| |