A geneticist wakes up from an accident with only fragments of his memory intact and is forced to relearn who he is via his twin brother. But as he digs deeper, he discovers he might not be who he thought at all.
| Actor | Role |
|---|---|
 Conal ByrneWilliam / Edward / William Zero | William / Edward / William Zero |
 Amy SeimetzJules | Jules |
| TTim HabegerDr. Archer | Dr. Archer |
 Adam FristoeMr. Langley | Mr. Langley |
 Scott PoythressLester | Lester |
| LLake RobertsBaxter | Baxter |
 Melissa McBrideDr. Ashley Bronson | Dr. Ashley Bronson |
 Teresa L. GravesLawyer | Lawyer |
 Jeff RoseMr. Penn | Mr. Penn |
 AJ BowenMr. Bragg | Mr. Bragg |