How old was William Hinckley in The Secret of Eve?

Olga PetrovaOlga Petrova was 32 in The Secret of Eve as 'Eve, in the Garden of Eden'.

Birthday: Sat, May 10 1884 –
Wed, Nov 30 1977

Arthur HoopsArthur Hoops would have been no older than 46 in The Secret of Eve as 'Arthur Brandon'.

Birthday: Sat, Jan 01 1870 –
Sat, Sep 16 1916

William HinckleyWilliam Hinckley was 22 in The Secret of Eve as 'Robert Blair'.

Birthday: Tue, Sep 11 1894 –
Sat, May 04 1918

Edward RosemanEdward Roseman was 41 in The Secret of Eve as 'Fothergill'.

Birthday: Fri, May 14 1875 –
Mon, Sep 16 1957

Laurie MackinLaurie Mackin was >> in The Secret of Eve as 'Deborah, Wife of Fothergill'.

Birthday: Unknown Birthday

Florence MooreFlorence Moore was >> in The Secret of Eve as 'Rosa'.

Birthday: Unknown Birthday

George MorrellGeorge Morrell was 45 in The Secret of Eve as 'Beppo'.

Birthday: Mon, Apr 10 1871 –
Thu, Apr 28 1955

Perry N. VekroffPerry N. Vekroff was 35 in The Secret of Eve as 'Director'

Birthday: Fri, Jun 03 1881 –
Sun, Jan 03 1937

Neil BergmanNeil Bergman was >> in The Secret of Eve as 'Cinematography'

Birthday: Unknown Birthday

Aaron HoffmanAaron Hoffman was >> in The Secret of Eve as 'Story'

Birthday: Unknown Birthday