Which country do Rolf de Heer and Ralph Smart have in common?
Rolf de Heer: Rolf de Heer (born 4 May 1951) is a Dutch Australian film director. Rolf de Heer:  De Heer was born in Heemskerk in the Netherlands but migrated to Sydney when he was eight years old. Ralph Smart: Ralph Foster Smart {'1': ", '2': ", '3': ", '4': "} (27 August 1908 – 12 February 2001) was a film and television producer, director, and writer, born in England to Australian parents.
i don't know