Matthias Schweighöfer. Actor: Army of the Dead. Grimme-Preis award winner, Matthias Schweighöfer, is one of Germany's most successful actors and is quickly becoming an international phenomenon. Schweighöfer was most recently seen in Christopher Nolan's film, "Oppenheimer," Netflix's "Heart of Stone" opposite Gal Gadot and Jamie Dornan and "The Swimmers" for director Sally El Hosaini. Upcoming, Schweighöfer will be seen in Netflix's "Family Switch" opposite Jennifer Garner and "Girl You Know It's...