Possible Clues:

• POW/___ flag
• ___ X ('Unlady Like' rapper)
• Hamm with two Olympic gold medals
• Major FL airport
• Apt name for a mamma?
• Emma's "La La Land" role
• "Mamma __!": musical featuring ABBA songs
• Sara of "Ferris Bueller's Day Off"
• Hamm who helped the U.S. win two World Cups
• ___ Thermopolis, Anne Hathaway's role in 'The Princess Diaries'