 After his departure from the military, he moved to London, where he met David Garrick and was engaged as an actor.He first appeared he appeared at Drury Lane in 1765, playing Pierre in Otway's "Venice Preserv'd".He remained with Garrick in supporting roles; he played Edmund in "King Lear" and Buckingham in "Richard III", and others; he also played the title role in "The Guardian".