Possible Clues:

• Butter up
• Sweet talk half of those playing parts - Juliet and Romeo - ultimately on short stage
• Sweet-talk head of casting over a part -- Juliet, not Romeo
• Persuade Ms Brand to cut cabbage
• Try to persuade old king to protect a judge
• Urge by gentle flattery
• Persuade
• Persuade old king to hold up agreement in Munich
• Gently influence beloved to fill clubs with beer
• Coax 'Heroin' number out of John Cale on tour