Related Clues:

• One acting on your behalf
• One paid to be a go-between
• Start for Barbara
• Christmas Eve traveler
• He or she may be special
• "Eye of newt" may be a part of it
• Catalyst
• Actor's negotiator
• Hollywood sort
• Mole, e.g
• Start of many California city names
• Dish list
• FBI operative
• Proxy
• Actor's helper