Just when he's beginning to take his perfect life and marriage for granted, John discovers that he's the result of a failed government experiment to spawn a race of perfect assassins. But the closer he gets to finding out what went wrong, the weirder the truth becomes.
| Actor | Role |
|---|---|
 Timothy HuttonSam Ellis / John Larkin | Sam Ellis / John Larkin |
 Suzy AmisDr. Sarah Flint / Lisa Larkin | Dr. Sarah Flint / Lisa Larkin |
 John GloverDr. Armand Drake / Ben Hamill | Dr. Armand Drake / Ben Hamill |
 Max WrightDr. Jonas Reilly | Dr. Jonas Reilly |
 Grant HeslovDet. Mackowitz | Det. Mackowitz |
 Brad GreenquistHendricks | Hendricks |
| RReese Phillip PurserArnold Strickland | Arnold Strickland |
 Christy SummerhaysMelanie | Melanie |
| BBenjamin IsraeliRick Larkin | Rick Larkin |
 Yvonne ZimaKelly Ellis | Kelly Ellis |
| MMatt McBrideJared Larkin | Jared Larkin |
 Dane StevensFlower Merchant | Flower Merchant |
 Mowava PryorJoan | Joan |
 Liliana CabalKaren Ellis | Karen Ellis |
 Joey MiyashimaMr. Mizoguchi | Mr. Mizoguchi |
| JJean JenkinsRuth Ann Bartzack | Ruth Ann Bartzack |
| SScott WilkinsonDetective | Detective |
 J. Scott BronsonJeff | Jeff |
| DDennis SaylorBilly | Billy |