| Brandon Morris | ... | Agent Lane (10 episodes) |
| Tricia Helfer | ... | Carla (voice) (9 episodes) |
| Jere Burns | ... | Anson Fullerton (9 episodes) |
| Wilson Pennell | ... | Charlie (9 episodes) |
| Robert Wisdom | ... | Vaughn (8 episodes) |
| Alona Tal | ... | Sonya (8 episodes) |
| Christopher De Stefano | ... | Mayfair Hotel Guest (7 episodes) |
| Arturo Rossi | ... | Sugar (6 episodes) |
| Alex Carter | ... | Jason Bly (6 episodes) |
| David Fickas | ... | Dixon (6 episodes) |
| John C. McGinley | ... | Tom Card (6 episodes) |
| John Pyper-Ferguson | ... | James Kendrick (6 episodes) |
| Tim Matheson | ... | Larry Sizemore (5 episodes) |
| Chris Vance | ... | Mason Gilroy (voice) (5 episodes) |
| Sonja Sohn | ... | Olivia Riley (5 episodes) |
| Stephen Martines | ... | Carlos Cruz (5 episodes) |
| Owen Meyer | ... | James' Operative (5 episodes) |
| Audrey Landers | ... | Veronica (4 episodes) |
| Michael Shanks | ... | Victor (4 episodes) |
| Gary Weeks | ... | Campbell (4 episodes) |
| Jay Karnes | ... | Tyler Brennen (4 episodes) |
| Otto Sanchez | ... | Diego Garza (4 episodes) |
| Ben Shenkman | ... | Tom Strickler (4 episodes) |
| David W. LeBlanc | ... | News Reporter (4 episodes) |
| Grant Show | ... | Max (4 episodes) |
| Kristanna Loken | ... | Rebecca Lang (4 episodes) |
| Tommy O'Brien | ... | Night Club Patron (4 episodes) |
| Jennifer Taylor | ... | Elsa (voice) (4 episodes) |
| Zabryna Guevara | ... | Ayn (4 episodes) |
| Nicholas Simmons | ... | CSS Agent (3 episodes) |
| David Danello | ... | Security Guard (3 episodes) |
| Moon Bloodgood | ... | Detective Paxson (3 episodes) |
| Garret Dillahunt | ... | Simon Escher (3 episodes) |
| Robert Schlegel | ... | Armed Guard (3 episodes) |
| Navi Rawat | ... | Kendra (3 episodes) |
| Richard Kind | ... | Marv (3 episodes) |
| Lorraine Caporaso | ... | Bank Customer (3 episodes) |
| Luis Da Silva Jr. | ... | Prison Gang (3 episodes) |
| Stephen L. Cohen | ... | Henchman (3 episodes) |
| Frenchi Firecracker | ... | Cash Out Teller (3 episodes) |
