Tom Felton, who plays Draco Malfoy in the Harry Potter films is the latest celebrity to back the proposed tax on banks.
The actor has lent his skills to the campaign in a new video encouraging taxpayers to become 'Robin Hoodies' and petition for a tax of 0.05% to be levied on share, bond, currency and derivatives transactions between financial institutions such as investment banks and hedge funds.
The Robin Hood campaign group says the billions of pounds raised could be used to stop cuts in public services and fund initiatives to fight global poverty.
The video also stars veteran actor Sir Ben Kingsley, who plays a banker forced to hand over his belongings by a group of young 'thugs'.
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