In the course of his career Karl Figdor also used the pseudonyms Percy Trunx and Alex Siegert.
Karl Figdor began to wrote screenplays for silent movies from 1919.
The writer Karl Figdor began his professional career as a journalist and he became also popular as an author of adventure novels.
He wrote his last screenplays in the 20s.
He left Germany in 1935 and went to Yugoslavia first before he went to Switzerland two years later. There he worked as a journalist for newspapers like Die Weltwoche, the Zürcher Tages-Anzeiger and the Basler Nationalzeitung.