Jason Isaacs is an English actor born in Liverpool. Jason Isaacs is most well known for his performance as the villain Lucius Malfoy in the Harry Potter films and as lifelong criminal Michael Caffee in the television series Brotherhood.

Jason Isaacs was born to Jewish parents. He spent his earliest childhood years in an Jewish community. The third of four sons, Jason Isaacs attended a Jewish school and a cheder twice a week. When he was 11, he moved with his family to Northwest London.