Question: Colonel Walter E. Kurtz,is a fictional character and the main antagonist of Francis Ford Coppola's film "Apocalypse Now" (1979), and portrayed by which American actor, film director and political activist?
Sentence (from "Marlon Brando"): He helped to popularize the Stanislavski system of acting, studying with Stella Adler in the 1940s.
Relevant evidence: No