Most famous for her role as Vivien Overbeck on the German youth detective show Die Pfefferkorner (The Peppercorns), Brix also played a childhood role in a 1998 episode of the crime drama Doppelter Einsatz.
She joined the cast of Die Pfefferkorner when she was just nine years old.
In 2006, after finishing six years as a Die Pfefferkorner cast member, she launched a second career as a fashion model.
She was born and raised in Hamburg, Germany.
She is a contemporary of fellow German actress Emilia Schule.