Shadow Walkers is a highly suspenseful story of a group of lab technicians and military personnel who awaken in a subterranean laboratory with no memory of who they are. They quickly discover that they are sealed in, with only one … Jason Coviello, Jennifer Summers, Clay Adams, Cortni Mullin, Rebecca Gibel, Joe Bocian, Tierza Scaccia Added on Amazon Prime 2021-01-10.