Fritz Wepper died in his sleep at the age of 82, as confirmed by his family on the RTBF website. Between 1974 and 1998, he played Inspector Derrick's deputy.

A role held for 24 years and 281 episodes. He appeared on stage for the first time at the aged of eleven in an adaptation of Peter Pan. Three Rooms in Manhattan, Cabaret, The Last Fight. In 2021, Fritz Wepper reveals that he has skin cancer, an illness he overcame the following year after extensive treatments.