Irish actress Evanna Lynch has signed up to appear in the upcoming series of Dancing With the Stars in the US.

The Harry Potter star will be on the dance card for season 27 of the popular ABC show when it returns later this month and has been partnered with professional dancer Keo Motsepe.

The 27-year-old Louth-born actress will join singer Tinashe and The Facts of Life actress Nancy McKeon in the line-up.

Other celebrities on the show include Olympic gold medallist Mary Lou Retton, Dukes of Hazzard star John Schneider, American Idol mentor Bobby Bones and model Alexis Ren.

Lynch is best known for playing Luna Lovegood in the Harry Potter film franchise from 2007 to 2011.

She was one of 15,000 hopefuls that turned up at an open casting call in London to audition for the coveted role in Harry Potter and The Order of the Phoenix.

She went on to appear in Harry Potter and the Half Blood Prince, and Harry Potter and the Deathly Hallows Parts I and II.