 He was one of the six members of that company who were named Grooms of the Chamber on 22 January 1641, indicating that he was a sharer in the troupe by that time.As with many actors, his fortunes passed into eclipse after the London theatres were closed in September 1642 at the start of the English Civil War.According to a 1655 lawsuit filed by fellow Queen Henrietta's and King's Man Theophilus Bird, Bowyer, along with Thomas Pollard and other members of the King's Men, sold off the company's play scripts and costumes sometime after the theatres closed.