Wanja Kube, born in 2009, had his first role shortly after his birth, as a baby in the short film "Letzter Versuch" (2009). After appearing in two music videos (2017), he had small roles in an episode of the series "Lena Lorenz" in 2020, in the "Tatort" episode "Der feine Geist" and the feature film "Es ist nur eine Phase, Hase" in 2021. Kube played his first major role as the son in Ronny Trocker's complex family drama "Der menschliche Faktor" ("Human Factors", DE/IT/DK 2020), which premiered at the Sundance Film Festival (USA) in early 2021 and was released in German cinemas in summer 2022.