Franz Rogowski is not mad, but life as an actor can make him feel like it. “You wander the streets, whispering lines,” says the 38-year-old Berliner. “Trying to imagine scenes in a script that are not yet real. It is like being pregnant with 20 babies.” And the funny thing is, when you finally make the film, so much is random anyway. “A mediocre actor can have wonderful lighting, and it all works out great.”
Rogowski is not a mediocre actor. In fact, with his mournful…

