Nina's father, Willi Hoss, was a German trade unionist and politician (member of the German Bundestag in The Greens). Her mother, Heidemarie Rohweder, was an actress at Stuttgart National Theatre and later director of the Esslingen-based Wurttemberg State Playhouse (Wurttembergischen Landesbühne Esslingen),Hoss acted in radio plays at the age of seven and appeared on stage for the first time at the age of 14.[1] In 1997 she graduated from the Drama School "Ernst Busch" in Berlin. Her first major success was the title role Rosemarie Nitribitt of Bernd Eichinger’s A Girl Called Rosemarie in 1996, a period drama (based on an actual scandal) set in the 1950s that looks back at the days of West Germany's postwar Wirtschaftswunder with a curdling cynicism.[2] In 2000 she was one of the Shooting Stars at the Berlinale. Her close collaboration with director Christian Petzold has been extremely successful: she won the 2003 Adolf Grimme Award for her role in his film Something To Remind Me and two years later the Adolf Grimme Award in Gold for Wolfsburg