How old was Janet Gaynor in The Horse Trader?

Fred GilmanFred Gilman was 24 in The Horse Trader as 'Ranger Bruce Channing'.

Birthday: Mon, Nov 24 1902 –
Wed, Mar 30 1988

Nancy DrexelNancy Drexel was 17 in The Horse Trader as 'Mary Gardner (as Dorothy Kitchen)'.

Birthday: Wed, Apr 06 1910 –
Sun, Nov 19 1989

Janet GaynorJanet Gaynor was 20 in The Horse Trader as '(uncredited)'.

Birthday: Sat, Oct 06 1906 –
Fri, Sep 14 1984

William WylerWilliam Wyler was 25 in The Horse Trader as 'Director'

Birthday: Tue, Jul 01 1902 –
Mon, Jul 27 1981

Brandt RileyBrandt Riley was >> in The Horse Trader as 'Writer'

Birthday: Unknown Birthday