Possible Clues:

• Turncoat Benedict
• 'The Stupids' star Tom
• -- Palmer, US golfer
• Right to stop an ancient poet
• First name among Hollywood he-men
• Mr. Schwarzenegger
• Poet's outsiders from land beside river
• One of the founders of Westworld, on HBO's 'Westworld'
• WWII five-star general
• ___ Palmer (drink made with lemonade and iced tea)