Under Suspicion (1928 film)
Under Suspicion (German title: Vom Täter fehlt jede Spur) is a 1928 German silent crime film directed by Constantin J. David and starring Hanni Weisse, Gritta Ley and Kurt Gerron.
After the owner of an amusement park if found murdered, police investigate the principal suspects.
The film's art direction was by Jacek Rotmil.
Adib Kheir
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Constantin J. David
Constantin J. David (18 February 1886 – 19 February 1964) was a German journalist, film director, film producer, and actor.
He is also known for his marriage to the Hungarian actress, singer, and model Käthe von Nagy.
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She is the spouse of Euclid Tsakalotos, former Greek Minister of Finance.

Question: Who is the spouse of the director of film Under Suspicion (1928 Film)?
Answer: Käthe von Nagy