Daniel Day-Lewis is legendary for going to punishing lengths to deliver authentic performances. He made the crew carry him around while playing wheelchair-bound Christy Brown in “My Left Foot,” spent a month in the wilderness to transform into an outdoorsman for “The Last of the Mohicans,” and devoted two years to studying dress making to become a fashion designer for “The Phantom Thread.” On set, the acting GOAT always stays in character, expecting everyone, directors included, to refer to him