How old was Ralph Arthur Roberts in Zigeunerblut?

Adele SandrockAdele Sandrock was 70 in Zigeunerblut as 'Fürstin Stauffenstein'.

Birthday: Wed, Aug 19 1863 –
Mon, Aug 30 1937

Georg AlexanderGeorg Alexander was 45 in Zigeunerblut as 'Graf Leopold Stauffenstein'.

Birthday: Tue, Apr 03 1888 –
Tue, Oct 30 1945

Erik OdeErik Ode was 23 in Zigeunerblut as 'Graf Poldi Stauffenstein'.

Birthday: Sun, Nov 06 1910 –
Tue, Jul 19 1983

Ralph Arthur RobertsRalph Arthur Roberts was 49 in Zigeunerblut as 'Graf Hohenau'.

Birthday: Wed, Oct 01 1884 –
Tue, Mar 12 1940

Grit HaidGrit Haid was 34 in Zigeunerblut as 'Baroness Hohenau'.

Birthday: Wed, Mar 14 1900 –
Sat, Aug 13 1938

Edith MeinhardEdith Meinhard was 25 in Zigeunerblut as 'Das Stubenmädchen'.

Birthday: Sun, Nov 22 1908 –
Wed, Jun 26 1968

Charles KleinCharles Klein would have been no older than 48 in Zigeunerblut as 'Director'

Birthday: Mon, Jan 07 1867 –
Fri, May 07 1915