Background
Moest was the son of the sculptor Richard Moest.
Moest was the son of the sculptor Richard Moest.
He attended high school in Cologne, an art school and worked as a painter.
In 1895, he began performing as an actor and opera singer on stages in Bad Godesberg, Hagen and other cities of West Germany. He came to Berlin in 1912 and was part of the theater at Nollendorfplatz. In the same year he was also active as a theater director
He began acting in 1914 and was part of many comedy films.
He served in the army during the first world war. He founded a film production company Moest -Film GmbH. In January 1922 Waldemar von Briger acquired most of the shares of the company and hence Moest resigned from the company and created Moest - Produktions GmbH.