Rupert Grint must pay £1.8 million (about $2.3 million) to the U.K.'s tax agency after incorrectly classifying his 'Harry Potter' residuals as a capital asset instead of income, a British judge ruled this week.

"Harry Potter" star Rupert Grint has been hit with a £1.8 million (around $2.3 million) tax bill after losing a legal battle related to his earnings in the 2011 to 2012 tax year, according to multiple British outlets.

Former “Harry Potter” film actor Rupert Grint faces a 1.8 million-pound ($2.3 million) bill after he lost a legal battle with the tax authorities