Possible Clues:

• Boss, maybe the best, given a hand?
• Work, endlessly trivial, stopping worker perhaps turning head
• Boss that needs others to give a hand?
• CEO on hand?
• Finish off nearly all crackers and big cheese
• Finest fruit for organisation chief
• Better element in bunch providing most important figure
• Leading comedian
• Vaudeville star
• *Vaudeville headliner