Bellatrix in chains in Azkaban screaming in Harry Potter and the Order of the Phoenix© Warner Bros. Bellatrix casting a killing curse in Harry Potter and the Deathly Hallows© Warner Bros.

Some actors might balk at being cast as an evil witch. Not Helena Bonham Carter. The British actress revels in the role of sadistic sorceress Bellatrix Lestrange - fanatical follower of evil Lord ...

Helena Bonham Carter as Bellatrix Lestrange. Warner Bros. In a 2010 interview with Entertainment Weekly, Bonham Carter revealed that she came up with some of Bellatrix's most memorable characteristics ...

Spoilers ahead. As fans will recall, Bellatrix Lestrange is the Death Eater in the original Harry Potter series, and was responsible for the deaths of Sirius Black, Nymphadora Tonks, and Dobby.

Bellatrix is Sirius Black's cousin and a Death Eater, loyal to the evil Lord Voldemort, in the fifth Potter book, Harry Potter and the Order of the Phoenix.