Oopsies. Looks like Isaacs had no idea which spell he was saying during Chamber of Secrets, as he wasn't all that familiar ...

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

Jason Isaacs called out "racist" fans criticizing the casting of Paapa Essiedu as Severus Snape in the upcoming 'Harry Potter ...

Original “ Harry Potter ” star Jason Isaacs is standing by franchise addition Paapa Essiedu. Isaacs, who played Lucius Malfoy ...

Jason Isaacs is not here for the backlash over the casting of Paapa Essiedu in the role of Severus Snape in the Harry Potter ...

If there’s one thing we know about Jason Isaacs, it’s that he’s not going to bite his tongue. The outspoken actor has come to ...

Jason Isaacs, who played Lucius Malfoy in the Harry Potter films, is speaking out in support of Paapu Essiedu’s casting in ...

Harry Potter star Jason Isaacs has taken aim at "racist" critics complaining about Paapa Essiedu being cast as Severus Snape.

Harry Potter star Jason Isaacs has spoken out in support of Paapa Essiedu, the new Severus Snape in HBO’s Harry Potter TV ...

Jason Isaacs has just highlighted a significant difference between one of the Harry Potter films and its book counterpart, a topic that has long sparked debate among Wizarding World fans.

Jason Isaacs, who played Lucius Malfoy in the Harry Potter movies, has condemned the backlash over Paapa Essiedu’s casting as Severus Snape in HBO’s upcoming series based on J.K. Rowling’s novels.

We've included some of our favorite Jason Isaacs performances, from starring roles to standout supporting parts.