Klein-Rogge in the role of Rotwang
Absolutely his most memorable role ever in a Fritz Lang
film. This character still remains his best not just because of his performance, but because he and Rotwang shared many similar traits that were undeniably based on Rudolf himself. The similarities are so obvious that you have to wonder about the mixed emotions Klein-Rogge must have felt in some scenes.... More of this is explained in detail in the here.