How old was Onslow Stevens in Nagana?

Tala BirellTala Birell was 25 in Nagana as 'Countess Sandra Lubeska'.

Birthday: Tue, Sep 10 1907 –
Mon, Feb 17 1958

Melvyn DouglasMelvyn Douglas was 31 in Nagana as 'Dr. Walter Tradnor'.

Birthday: Fri, Apr 05 1901 –
Tue, Aug 04 1981

Miki MoritaMiki Morita was 36 in Nagana as 'Dr. Kabayochi'.

Birthday: Thu, Oct 01 1896 –
Tue, Dec 03 1985

Onslow StevensOnslow Stevens was 30 in Nagana as 'Dr. Roy Stark'.

Birthday: Sat, Mar 29 1902 –
Wed, Jan 05 1977

Everett BrownEverett Brown was 31 in Nagana as 'Nogu'.

Birthday: Wed, Jan 01 1902 –
Wed, Oct 14 1953

Billy McClainBilly McClain was 66 in Nagana as 'The King'.

Birthday: Fri, Oct 12 1866 –
Thu, Jan 19 1950

Frank LackteenFrank Lackteen was 35 in Nagana

Birthday: Sat, Aug 28 1897 –
Mon, Jul 08 1968

Noble JohnsonNoble Johnson was 51 in Nagana

Birthday: Sun, Apr 17 1881 –
Mon, Jan 09 1978

Ernst L. FrankErnst L. Frank was >> in Nagana as 'Director'

Birthday: Unknown Birthday

Don RyanDon Ryan was >> in Nagana as 'Writer'

Birthday: Unknown Birthday

Dale Van EveryDale Van Every was >> in Nagana as 'Writer'

Birthday: Unknown Birthday

Carl Laemmle Jr.Carl Laemmle Jr. was 24 in Nagana as 'Producer'

Birthday: Tue, Apr 28 1908 –
Mon, Sep 24 1979

Robert CarlisleRobert Carlisle was >> in Nagana as 'Editor'

Birthday: Unknown Birthday

George RobinsonGeorge Robinson was 42 in Nagana as 'Cinematography'

Birthday: Wed, Apr 02 1890 –
Sat, Aug 30 1958

Lester CohenLester Cohen was 31 in Nagana as 'Story'

Birthday: Sat, Aug 17 1901 –
Wed, Jul 17 1963

Adolph L. SchaferAdolph L. Schafer was >> in Nagana as 'Still Photographer'

Birthday: Unknown Birthday