How old was Ernst Klein in Der gestohlene Professor?

Eugen RexEugen Rex was 40 in Der gestohlene Professor

Birthday: Tue, Jul 08 1884 –
Sun, Feb 21 1943

Frida RichardFrida Richard was 51 in Der gestohlene Professor

Birthday: Sat, Nov 01 1873 –
Thu, Sep 12 1946

Hans JunkermannHans Junkermann was 52 in Der gestohlene Professor

Birthday: Sat, Feb 24 1872 –
Sat, Jun 12 1943

Camilla von HollayCamilla von Hollay was 25 in Der gestohlene Professor

Birthday: Tue, Jul 11 1899 –
Thu, Feb 09 1967

Ernst RückertErnst Rückert was 31 in Der gestohlene Professor

Birthday: Tue, Dec 20 1892 –
Sun, Jan 01 1950

Emil JustitzEmil Justitz was 46 in Der gestohlene Professor as 'Director'

Birthday: Fri, May 03 1878 –
Sat, Dec 17 1932

Margarete Lindau-SchulzMargarete Lindau-Schulz was >> in Der gestohlene Professor as 'Writer'

Birthday: Unknown Birthday

Hermann FellnerHermann Fellner was >> in Der gestohlene Professor as 'Writer'

Birthday: Unknown Birthday

Ernst KleinErnst Klein was >> in Der gestohlene Professor as 'Screenplay, Novel'

Birthday: Unknown Birthday