Smart of him. He wants a casting choice so ridiculous, so unfaithful to the source material, it'd make his own interpretation shine longer and brighter in comparison.
Ralph Fiennes, who portrayed the Dark Lord in the original films, is unlikely to return as Voldemort in HBO's new Harry Potter series. Instead, the actor who previously played Voldemort has put forward Tilda Swinton as a possible successor. At first glance, the idea of a female version of Voldemort may seem unusual, but it has already found some support among fans.