Possible Clues:

• Famous performer carrying one item of luggage for flight
• 12 cast off steps
• Flight from prison clutching a holdall?
• It's put together step by step
• Flight between floors
• Flight that sometimes continues after landing
• Stuffing's knocked out of servant bearing luggage for flight
• It has the makings of a scariest flight
• Flight is scariest in turbulence, enthralling all initially
• Excellent actress hanging loosely around part of the mansion?