Simple Question, Difficult Answer: Best Actor of the 1920s

You know the drill.  The poll can be found in the sidebar.

Who do you think was the best actor of the 1920s?

• John Barrymore (Dr. Jekyll and Mr. Hyde, Beau Brummel)
• Lon Chaney (The Phantom of the Opera, The Unknown)
• Charlie Chaplin (The Gold Rush, The Kid)
• Douglas Fairbanks (The Mark of Zorro, The Thief of Baghdad) 
• John Gilbert (Bardelys the Magnificent, Flesh and the Devil)
• Buster Keaton (The General, The Seven Chances)
• Emil Jannings (The Last Laugh, The Last Command)
• Fritz Rasp (Metropolis, The Love of Jeanne Ney)
• Rudolph Valentino (Beyond the Rocks, The Sheik)
• Conrad Veidt (The Cabinet of Dr. Caligari, The Beloved Rogue)
• Other (include in the comments of this post)