Related Clues:

• 'The X-Files' extra
• Role getter, perhaps
• Sales pro
• Artist's negotiator
• Person with a code name, maybe
• Smart or 99, e.g.
• Deal clincher
• One may be double or free
• Author's rep
• One with a policy
• Hollywood bigwig
• Sports negotiator
• Maxwell Smart's occupation
• Ballplayer's rep
• Ten per cent taker