Johanna Kolberg is a German actress. She attended the Ernst Busch Academy of Dramatic Arts and has appeared in several short films and TV productions. In 2024, she took on the role of Alberich in Hagen - Im Tal der Nibelungen.
Hagen von Tronje, the Burgundian master-at-arms, holds his troubled kingdom together while hiding his dark past. The arrival of the unpredictable dragon slayer Siegfried threatens to upend the old order. As King Gunter seeks Siegfried's help to win the fierce Valkyrie Brunhild, Hagen faces a tragic choice between loyalty to the king and his own identity.