When a daring mission leads a deep sea submarine team into a mysterious opening on the ocean floor, they uncover a lost underwater world and awaken its ancient race of otherworldly beings.
as Jim Peters
as Christine Harris
as Hank O'Connell
as Joe Meeker
as Cameron
as Julia Goldstein
as Doctor
as Gordon Atkins
as Jed Pickman
as Walton Peters (voice)
as Boris
as University Worker
