How old was J.P. McGowan in The Vanishing Dagger?

Eddie PoloEddie Polo was 45 in The Vanishing Dagger as 'John Edward Grant'.

Birthday: Mon, Feb 01 1875 –
Wed, Jun 14 1961

C. Norman HammondC. Norman Hammond was 42 in The Vanishing Dagger as 'Sir George Latimer'.

Birthday: Thu, Feb 28 1878 –
Thu, Jun 05 1941

Laura OakleyLaura Oakley was 40 in The Vanishing Dagger as 'Lady Mary Latimer'.

Birthday: Thu, Jul 10 1879 –
Wed, Jan 30 1957

Peggy O'DayPeggy O'Day was >> in The Vanishing Dagger as 'Nell'.

Birthday: Unknown Birthday

Thelma PercyThelma Percy was 16 in The Vanishing Dagger as 'Elizabeth Latimer'.

Birthday: Tue, Oct 20 1903 –
Mon, Jul 06 1970

Ray RipleyRay Ripley was 28 in The Vanishing Dagger as 'Prince Narr'.

Birthday: Thu, Jul 23 1891 –
Fri, Oct 07 1938

J.P. McGowanJ.P. McGowan was 40 in The Vanishing Dagger as 'Director'

Birthday: Mon, Feb 23 1880 –
Wed, Mar 26 1952

Eddie PoloEddie Polo was 45 in The Vanishing Dagger as 'Director'

Birthday: Mon, Feb 01 1875 –
Wed, Jun 14 1961

Edward A. KullEdward A. Kull was 34 in The Vanishing Dagger as 'Director'

Birthday: Thu, Dec 10 1885 –
Sun, Dec 22 1946

George W. PyperGeorge W. Pyper was >> in The Vanishing Dagger as 'Screenplay'

Birthday: Unknown Birthday

Hope LoringHope Loring was 26 in The Vanishing Dagger as 'Story, Screenplay'

Birthday: Mon, Jan 29 1894 –
Sat, Jan 17 1959

Jacques JaccardJacques Jaccard was 33 in The Vanishing Dagger as 'Story'

Birthday: Sat, Sep 11 1886 –
Sun, Jul 24 1960

Milton MooreMilton Moore was 36 in The Vanishing Dagger as 'Story'

Birthday: Fri, Feb 08 1884 –
Sat, Aug 18 1956