| Anna Torv | Olivia Dunham |
| Joshua Jackson | Peter Bishop |
| Lance Reddick | Phillip Broyles |
| Blair Brown | Nina Sharp |
| Jasika Nicole | Astrid Farnsworth |
| John Noble | Dr. Walter Bishop |
| Cameron Monaghan | Tyler Carson |
| Andrew Airlie | Dr. Carson |
| Vincent Gale | Dobbins |
| Doron Bell | Officer Gibson
(as Doron Bell Jr.) |
| Ryan Jefferson Booth | Officer Jenks
(as Ryan Booth) |
| Philip Cabrita | Clerk
(as Phil Cabrita) |
| Pete Graham | Seth Davies
(as Peter Graham-Graudeau) |
| Irene Karas Loeper | Officer Williams
(as Irene Karas) |
| Jacqueline Ann Steuart | Renee Davies
(as Jacqueline Steuart) |
| Shawn Stewart | Truck Driver |
| John Tench | Patrick Hickey |
| Anna Van Hooft | Nina's Assistant |