Related Clues:

• His real name was Arthur
• Silent one
• First name in comedy
• Marx with a horn
• A Marx brother
• First name in comedic brothers
• Non-communist Marx
• Mute Marx
• ''Duck Soup'' star
• Silent film star
• Dumb film brother
• Silent show biz brother
• Brother of Groucho
• A Marx man
• Arthur Marx, familiarly