On stage, he was engaged at the Hebbel Theater in Berlin, Schauspielhaus Zürich and Bayerisches Staatsschauspiel in Munich.
Sachtleben was born on 24 September 1930 in Berlin, Brandenburg, Prussia, Germany, where he undertook theater studies.
[2] Sachtleben had various stage engagements, including at the Hebbel Theater in Berlin, Schauspielhaus in Zürich, and Bayerisches Staatsschauspiel in Munich.
[2] Sachtleben directed Hebbel's drama Maria Magdalena [de] at the Residenztheater in Munich among other plays.
[17] Sachtleben was married to the Swiss actress Pia Hänggi [de] for 47 years and lived in Pöcking, near Munich.