 Engagements followed at the Schauspielhaus Zürich (1970/1971), at the Theater Münster (1971/1972), at the Bühnen der Stadt Köln (1972/73), at the Theater Dortmund (1973-1975) and at the Residenz Theatre in Munich (1977-1983).1980 Robert Atzorn played his first film role in "From the Life of the Marionettes", directed by Ingmar Bergman.After many years in the theater, he worked exclusively since the mid-1980s for television.