Did both Pedro Sienna and Irving Cummings direct movies?
Irving Cummings Irving Camisky (October 9, 1888 – April 18, 1959) was an American movie actor, director, producer and writer.
King Vidor King Wallis Vidor ( ; February 8, 1894 – November 1, 1982) was an American film director, film producer, and screenwriter whose career spanned nearly seven decades. In 1979, he was awarded an Honorary Academy Award for his "incomparable achievements as a cinematic creator and innovator." He was nominated five times for a Best Director Oscar, and won eight international film awards during his career. Vidor's best known films include "The Big Parade" (1925), "The Crowd" (1928), "Stella Dallas" (1937), and "Duel in the Sun" (1946). (He is not related to fellow director Charles Vidor).