Amazon Prime Video has rounded out the cast for its "Tomb Raider" series. Officially joining the video game adaptation are Sigourney Weaver, who Variety previously reported to be eyeing a role, as well as Jason Isaacs, Celia Imrie, Bill Paterson, Martin Bobb-Semple, Jack Bannon, John Heffernan, Paterson Joseph, Sasha Luss, Juliette Motamed and August Wittgenstein. [...]