Characters played by Peter Mullan
Dad
Characters played by Charles Dance
Jacob
Characters played by Jessica Brown Findlay
Lea
Characters played by Alessandro Borghi
John
Characters played by Sam Spruell
Aaron
Nicholas
Characters played by Anton Valensi
Silas
Characters played by Frederick Schmidt
Michael
Characters played by Salóme Gunnarsdóttir
Anita
Characters played by Lorenzo McGovern Zaini
Young John
Characters played by Raphael Vicas
Caleb
Characters played by Benjamin Noble
Police Agent
Characters played by Tommy C. Carey
Leon
Characters played by Luca Hayward
Young Michael