Harrison Cosmo Krikoryan Jarvis (born 1989/1990) is an English actor and singer-songwriter. He has starred in the films Lady Macbeth (2016), Calm with Horses (2019), and Persuasion (2022). In 2024, he portrayed John Blackthorne in the historical drama series Shōgun. Description above from the Wikipedia article Cosmo Jarvis, licensed under CC-BY-SA, full list of contributors on Wikipedia.