An eight-year-old boy tries to investigate the mysterious knocking sounds that are coming from inside the walls of his house, unveiling a dark secret that his sinister parents have kept hidden from him.
Samuel Bodin
Lizzy Caplan
Antony Starr
Cleopatra Coleman
Woody Norman
Luke Busey
Aleksandra Dragova
Jay Rincon
Anton Kottas
Steffanie Sampson
Jivko Mihaylov
Iliyan Nikolov
Aleksander Asparuhov
Victoria Velikova
Kate Nichols
Leah-Felicity Bay
Point Grey Pictures
Lionsgate
Media Capital Technologies
