That show’s cancellation left Isaacs “heartbroken,” but clearly didn’t sour him on television.
He had a memorable run on Star Trek: Discovery as a character he’s interested in playing again, despite how his character was written out.
On the other hand, Jason Isaacs is a big name for reasons beyond the Harry Potter films (which he nearly turned down), as his Young Sam casting comes after he tackled a series regular role on Netflix’s The OA.