在她牧师兄弟被指控自杀后，格雷斯前往偏远的苏格兰修道院，在那里他摔死了。她不相信教会的说法，揭露了谋杀、亵渎和一个令人不安的真相。
Jena Malone
Grace
Danny Huston
Father Romero
Thoren Ferguson
DCI Harris
Will Keen
John
Ian Pirie
Vincent
Janet Suzman
Mother Superior
Alexandra Lewis
Sister Beth
Steffan Cennydd
Michael
Kit Rakusen
Young Michael
Eilidh Fisher
Sister Meg
Jolade Obasola
Sister Matilda
Victoria Donovan
Grace's Mother
Shaun Scott
Father Carol
Godwin To
Patient's Husband
