How old was Hans Mierendorff in Hotelratten?

Nils AstherNils Asther was 30 in Hotelratten as 'Fürst Ladrone'.

Birthday: Sat, Jan 16 1897 –
Tue, Oct 13 1981

Ellen KürtiEllen Kürti was 23 in Hotelratten as 'Fürstin Ladrone'.

Birthday: Sun, Jun 28 1903

Hans MierendorffHans Mierendorff was 44 in Hotelratten as 'Mister Bellmann'.

Birthday: Fri, Jun 30 1882 –
Mon, Dec 26 1955

Jaap SpeyerJaap Speyer was 35 in Hotelratten as 'Director'

Birthday: Sun, Nov 29 1891 –
Wed, Sep 17 1952

Hans Karl GottschalkHans Karl Gottschalk was >> in Hotelratten as 'Director of Photography'

Birthday: Unknown Birthday

Johannes BrandtJohannes Brandt was 42 in Hotelratten as 'Screenplay'

Birthday: Fri, Oct 31 1884 –
Thu, Mar 10 1955