Are Manfred Noa and Brad Anderson both film directors?
yes
Title: Why Get a Divorce?
Passage: Why Get a Divorce?  (German: Warum sich scheiden lassen?)  is a 1926 German silent comedy film directed by Manfred Noa and starring André Mattoni, Vivian Gibson and Colette Brettel.  It premiered in Berlin on 4 March 1926.  The film's art direction was by Julius von Borsody.
Title: Manfred Noa
Passage: Manfred Noa (1893–1930) was a German film director.  Noa was described by Vilma Bánky, who he directed twice, as her "favourite director".  Noa's 1924 film "Helena" has been called his "masterpiece" although it was so expensive that it seriously damaged the finances of Bavaria Film.
Title: Brad Anderson (director)
Passage: Brad Anderson (born 1964) is an American film director, producer and writer.  A director of thriller and horror films and television projects, he is best known for having directed "The Machinist" (2004), starring Christian Bale, and "The Call" (2013), starring Halle Berry.  He also produced and directed several installments of the FOX science fiction television series "Fringe".
Manfred Noa Brad Anderson (director)