Question: Which American film, stage, radio and television actor contributed to the screenplay of "Citizen Kane" (1941) and appeared in "Syndicate Sadists?"
Sentence (from "Joseph Cotten"): He went on to become one of the leading Hollywood actors of the 1940s, appearing in films such as "Shadow of a Doubt" (1943), "Love Letters" (1945), "Duel in the Sun" (1946), "Portrait of Jennie" (1948), "The Third Man" (1949) and "Niagara" (1953).
Relevant evidence: No