Which 1951 film starred Gregory Peck and Susan Hayward?

In 1951, Burt Lancaster starred as which athlete? Which 1951 epic has lions taking on the Christians in Nero's Rome? The 1951 film about German general Erwin Rommel, starring James Mason, is titled with his nickname. What is it? In 1951, Fredric March starred as a worn-out traveling salesman in the film version of which Arthur Miller play? Which 1951 Hank Williams classic asks "What ya got cookin'?" in its chorus? Which 1951 film ends with the line "I have always depended on the kindness of strangers"? James Arness played the alien title creature in which 1951 science-fiction film? Which 1951 science-fiction film features the famous phrase "Klaatu barada nikto"?