“The Staircase” Cast Explains How They Found Truth in Their Characters

#TheStaircase stars #ToniCollette, #ColinFirth, #SophieTurner, #OdessaYoung, #PatrickSchwarzenegger, #DaneDeHaan, #RosemarieDeWitt, #OliviaDeJonge, and #TimGuinee share how they dug into the psychology and source material to understand their real-life characters and bring honor to the people they were portraying.