"Harry Potter" alum Jason Isaacs weighed in on the online controversy surrounding Paapa Essiedu's casting in the upcoming HBO series adaptation.

Jason Isaacs slammed fans criticizing the casting of Paapa Essiedu as Severus Snape in the upcoming Harry Potter series.

With several people on the internet speaking ill of Paapa Essiedu’s casting as Severus Snape in the upcoming Harry Potter reboot series, Jason Isaacs, who portrayed Lucius Malfoy in the film franchise,