Besides his activity as an actor he also took over the direction at the Konrad-Dreher-Bühne.
Only after the first World War Franz Loskarn could make his stage debut in Ingolstadt at the end of 1918. In the next years followed engagements at different stages in Munich where he soon became a popular actor.
The actor Franz Loskarn first learned the profession of a goldsmith before he took singing and acting lessons by Viktor Schwanneke. But before he could start his acting career World War I broke out and he served for the army.