Possible Clues:

• King almost trapped at the start - by this?
• One who's dubbed
• Man on board called �sir'
• Dub finale of soundtrack on 'Crazy Thing'
• eg Elton John
• Thing possibly taken by king
• You're not to be taken lightly, sir, by the sound of it
• Errant type once given place on board?
• Sir, it's no light matter at last
• Co-star with Moore and Asner