Possible Clues:

• Theatre upset erstwhile actor
• Queen entertained by quiet old actor?
• Entertainer who does what's required
• Through, old 10
• It's improper for merriment to grip actor
• Agent recalled earlier entertainer
• One doing something right, type to be embraced by fellow
• Agent set up one-time entertainer
• Contortionist, e.g., and, read syllable by syllable, a hint to the starred answers
• Actor in theatre upsetting for this person -- little right