Hitchcock's Subtextual Coding in 'Rope'
Hitchcock is no stranger to innuendo, as was common in that era, but there was something so sophisticated about his approach to 'Rope', and it starts in the first frame.

John Dall (May 26, 1920 – January 15, 1971) was an American actor. Primarily a stage actor, he is best remembered today for two film roles; the cool-minded intellectual killer in Alfred Hitchcock's film Rope, and the trigger-happy lead in the 1950 noir Gun Crazy. He first came to fame as the young prodigy who comes alive under the tutelage of Bette Davis in The Corn Is Green, for which he was nominated for the Academy Award for Best Supporting Actor. Dall was born John Jenner Thompson in New York City, New York, the second son of Charles Jenner Thompson, a civil engineer, and his wife Henry (née Worthington). Dall died in Hollywood, California. Sources indicate he died of a heart attack. Description above from the Wikipedia article John Dall, licensed under CC-BY-SA, full list of contributors on Wikipedia.