Possible Clues:

• ___ circle (closest advisers)
• With 20-Across, balance regulator
• Intimate
• Victor's wife leaving ring circling bull
• Word before "circle" or "peace"
• Gold medallist takes head off part of the target
• ___ workings
• Topless trespasser is high-value target
• ___ circle (trusted group)
• ___ tube (waterslide ride)