Cosmo Jarvis: Cosmo Jarvis. Actor: Shōgun. Harrison Cosmo Krikoryan Jarvis is an British actor, musician and filmmaker. Born in Ridgewood, New Jersey, USA to an Armenian-American mother and English father. He moved to England with his parents as a baby, growing up in Totnes, Devon, England with his mother and younger brother. In 2015, he auditioned and was cast to portray the character of Sebastian in William Oldroyd's debut feature film 'Lady...