After he calls 911 to report his wife's accident, successful novelist and aspiring politician Michael Peterson becomes the prime suspect in her alleged murder.
| Actor | Role |
|---|---|
 Treat WilliamsMichael Peterson | Michael Peterson |
 Kevin PollakDavid Rudolf | David Rudolf |
 Samaire ArmstrongCaitlin Atwater | Caitlin Atwater |
 Brandon Ray OliveTodd Peterson (as Brandon Olive) | Todd Peterson (as Brandon Olive) |
 Laura BaileyMargaret Peterson | Margaret Peterson |
 Douglas M. GriffinD. A. Jim Hardin | D. A. Jim Hardin |
 Brett RiceDetective Castell | Detective Castell |
| KKate DonadioErica | Erica |
| NNina JonesKathleen Peterson | Kathleen Peterson |
 Stephanie HonoréMartha (as Stephanie Honore) | Martha (as Stephanie Honore) |
 Ric ReitzBill Peterson | Bill Peterson |
 Kyle ClementsClayton Peterson | Clayton Peterson |
 Lara GriceCandace Zamperini | Candace Zamperini |
 Nancy McLoughlinMargaret Blair | Margaret Blair |