Open Grave The moment you wake up, the nightmare begins. A man awakes-- without memory -- in a pit full of bodies and must figure out if the people who rescued him are the killers, or if he is the murderer. Details Casts Galleries Posters Title Open Grave Release Date 2013-08-13 Runtime 01 Hours 42 Minutes Genres Horror Thriller Mystery Production Companies Atlas Independent, Speranza Film, 852 Films Production Countries Norway, United States of America Sharlto Copley... John... Joseph Morgan... Nathan... Thomas Kretschmann... Lukas... Erin Richards... Sharon... Josie Ho... Brown Eyes... Max Wrottesley... Michael... Kati Dombi... Moaner Woman... Eva Botos... Mother... Tofi Seffer... Boy... Zsuzsa Szabados... Grandma... Márta Szabó... Crone... Balázs Szitás... Sickly Man... Original Size (3840x2157) Original Size (3180x1787) Original Size (3840x2160) Original Size (1400x2100) Original Size (768x1087) Original Size (1067x1600) Original Size (960x1440) Original Size (666x1000) Original Size (539x755) Original Size (1078x1600) Original Size (529x750) Original Size (500x750) Original Size (1536x2048)