How old was Stacia Napierkowska in L'étoile du génie?

Gabriel SignoretGabriel Signoret was 35 in L'étoile du génie as 'le compositeur Signoski'.

Birthday: Fri, Nov 15 1878 –
Tue, Mar 16 1937

Stacia NapierkowskaStacia Napierkowska was 17 in L'étoile du génie as 'La danseuse Stacia'.

Birthday: Wed, Dec 16 1896 –
Fri, May 11 1945

Albert MayerAlbert Mayer was >> in L'étoile du génie as 'Caïus Caligula'.

Birthday: Unknown Birthday

Ferdinand ZeccaFerdinand Zecca was 50 in L'étoile du génie as 'Director, Scenario Writer'

Birthday: Fri, Feb 19 1864 –
Tue, Mar 23 1943

René LeprinceRené Leprince was 38 in L'étoile du génie as 'Director, Scenario Writer'

Birthday: Sun, Feb 13 1876 –
Fri, May 17 1929