 Billy CrudupDr. Philip Zimbardo | Dr. Philip Zimbardo |
 Michael AngaranoChristopher Archer | Christopher Archer |
 Ezra MillerDaniel Culp / Prisoner 8612 | Daniel Culp / Prisoner 8612 |
 Tye SheridanPeter Mitchell / Prisoner 819 | Peter Mitchell / Prisoner 819 |
 Olivia ThirlbyDr. Christina Maslach | Dr. Christina Maslach |
 Nelsan EllisJesse Fletcher | Jesse Fletcher |
 Moisés AriasAnthony Carroll | Anthony Carroll |
 Nicholas BraunKarl Vandy | Karl Vandy |
 Gaius CharlesPaul Vogel | Paul Vogel |
 Keir GilchristJohn Lovett | John Lovett |
 Ki Hong LeeGavin Lee / Prisoner 3401 | Gavin Lee / Prisoner 3401 |
 Thomas MannPrisoner 416 | Prisoner 416 |
 Logan MillerJerry Sherman / Prisoner 5486 | Jerry Sherman / Prisoner 5486 |
 Johnny SimmonsJeff Jansen / Prisoner 1037 | Jeff Jansen / Prisoner 1037 |
 James WolkMike Penny | Mike Penny |
 Matt BennettKyle Parker | Kyle Parker |
 Jesse CarerePaul Beattie / Prisoner 5704 | Paul Beattie / Prisoner 5704 |
 Brett DavernHubbie Whitlow / Prisoner 7258 | Hubbie Whitlow / Prisoner 7258 |
 James FrechevilleMatthew Townshend | Matthew Townshend |
 Miles HeizerMarshall Lovett | Marshall Lovett |
 Jack KilmerJim Randall / Prisoner 4325 | Jim Randall / Prisoner 4325 |
 Callan McAuliffeHenry Ward | Henry Ward |
 Benedict SamuelJacob Harding | Jacob Harding |
 Chris SheffieldTom Thompson / Prisoner 2093 | Tom Thompson / Prisoner 2093 |
 Harrison ThomasAndrew Ceros | Andrew Ceros |
 Albert MalafronteFather MacAllister | Father MacAllister |
 Danielle LauderMary Ann | Mary Ann |
 Jim KlockWarren | Warren |
 Kate ButlerMrs. Mitchell | Mrs. Mitchell |
 James C. VictorMr. Mitchell | Mr. Mitchell |
