Colin Farrell: I started watching “Hamnet” at about one in the morning. I ended at three a.m., and I was astonished. I was like, “Oh, jeez, do I have to see her now? Do I have to sit in front of her ...

Colin Farrell and Jessie Buckley don’t know one another well when they sit down together — but almost instantly they go deep. It stands to reason: The two Irish actors both play challenging, emotional ...