The film centers on two men who lose their minds while looking after a lighthouse on a remote island. In one sequence, both Robert Pattinson and Willem Dafoe’s characters are drunk and losing their grip on reality, so they’re incredibly emotional. To prepare for the scene, the Cosmopolis actor found himself calling on a pretty surprising bodily function. He shared the anecdote with Mr Porter, explaining:
Article source: https://www.cinemablend.com/news/2482694/the-lighthouses-robert-pattinson-explains-his-trick-to-vomit-before-emotional-takes