3. On set the part of Dobby was played by a ball on a stick

During the shoot, the part of Dobby was played by a ball on a stick. The loveable elf was later added digitally.

More of 'Harry Potter' :

• 'Harry Potter: The Exhibition' opens in Asia for the first time - sneak peek here!
• Daniel Radcliffe, Emma Watson and Rupert Grint: Then and now
• 'Harry Potter' makes our list for best movie kisses (photos)

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