How old was Frank Miller in Martha?

Leslie AustinLeslie Austin was 36 in Martha as 'Lionel'.

Birthday: Sat, Nov 21 1885 –
Wed, May 01 1974

Dorothy FaneDorothy Fane was 33 in Martha as 'Lady Lenrietta'.

Birthday: Wed, Apr 24 1889 –
Fri, Mar 26 1976

James KnightJames Knight was 31 in Martha as 'Plunket'.

Birthday: Mon, May 04 1891

George WynnGeorge Wynn was >> in Martha as 'Director'

Birthday: Unknown Birthday

Frank MillerFrank Miller was 31 in Martha as 'Writer'

Birthday: Thu, Jan 01 1891 –
Sun, Jan 01 1950

Jules-Henri Vernoy de Saint-GeorgesJules-Henri Vernoy de Saint-Georges was >> in Martha as 'Writer'

Birthday: Unknown Birthday

Harry B. ParkinsonHarry B. Parkinson was 37 in Martha as 'Producer'

Birthday: Mon, Sep 29 1884 –
Wed, Aug 19 1970

Friedrich von FlotowFriedrich von Flotow was >> in Martha as 'Music'

Birthday: Unknown Birthday