Possible Clues:

• Dismantle
• Disassemble
• 'Be in the cast and have it in bits (4,1,4)'
• Act as a dismantler?
• Wreck
• Have in bits is what the actor will do, it seems
• Dismantle - act in drama 4,1,4
• Be in the cast and dismember it, perhaps
• Be in the cast, perhaps, to have it in bits
• Act 12