Related Clues:

• Like watchmen
• Paying attention
• Like sentries
• 'A Streetcar ...' role
• Like an excellent guard dog
• On top of things
• Not drowsy
• Kim Hunter Broadway role created by Tennessee Williams
• Word with red or on
• Observant
• Name shouted by Stanley Kowalski
• Red state?
• Like a worthy watchdog
• Having heightened senses
• Starlit girl of song