Fruzsina Nagy as Kate, Edward Apeagyei as Bubba, Sally Kirkland as Dr. Jane Dunning, Eric Roberts as The Mysterious Man, James Duval as Martin, Péter Inoka as Peter, Simon Bamford as Alpha (voice), Karolina Szabó as Sophie (older), Zsófia Gallai as Sophie (younger), László Némethy as Alpha (On Set), Dániel Vince as Beta (On Set), Zoltán Eõry as Gamma, Bálint Szántó as Delta, Péter József Szabó as Omega, Shawn Michael Clankie as Beta (voice), Tommy Lentsch as Delta / Omega (voice), Joseph Richmond as Robbie (voice), Laura Saxon as Reporter (voice), Laura Ellen Wilson as Doctor (voice), Pál Marton as Victim, András Babodi as Victim, Péter Krenács as Victim, Viktor Dávid Koppán as Firefighter (as Dávid Viktor Koppán), Sándor Detki as Firefighter, István Handler as Firefighter, László Szabó as Firefighter, Péter Klupács as Paramedic, László Pavelcze as Paramedic, Joshua Wolf Coleman as Stauffer