Desc: Der Gast: Directed by Houchang Allahyari. With Gregor Bloéb, Erni Mangold, Roya Anahita Mousavi, Thomas Nash. A stranger is coming to the villa of a very rich family. He doesn't talk, nobody knows who he is , what he is looking for. But he interferes somehow with each single life of each family member and turns everybody and everything upside down