Related Clues:

• Caterer caller
• Parasite's need
• Ball thrower
• Big number
• Party throwing a party
• Leno or DeGeneres, e.g.
• Restaurant greeter
• Show runner
• Desk job at 58 & 59-Across?
• One who entertains
• Throw a ball?
• Virus's need
• Beijing, for the 2008 Olympics
• Give a bash
• Throw, as a party