Katja Riemann played a key role in the 2004 German film "Agnes and His Brothers". Directed by Oskar Roehler, this family drama centers around three siblings with very different lives but a shared search for happiness. The film explores complex issues of identity, relationships, and personal struggles. Katja Riemann portrayed Signe, a pivotal character in the life of one of the brothers, Werner. The film is notable for addressing deep personal and social themes, including gender identity, as one of the siblings, Agnes, is a transgender woman played by Martin Weiß. "Agnes and His Brothers" was praised for its unique narrative and won Riemann a German Film Award for Best Sup...