Home People Dieter Groest Dieter Groest movies Dieter Groest movies Dieter Groest Movies (7) The Wannsee Conference (1987) As Dr. Erich Neumann. He was 55 years old Avalanche Express (1979) As 2nd Policeman. He was 47 years old Sex-Träume-Report (1973) As Haberkorn. He was 41 years old Nurses Report (1974) As Dr. Bauer. He was 41 years old Schoolgirl Report Part 3: What Parents Find Unthinkable (1972) As Renates Vater. He was 39 years old Sex Life in a Convent (1972) As Man on Party. He was 39 years old Der Fall Liebknecht-Luxemburg (1969) He was 36 years old