Ben Miles portrays a character in "The Crown" who had a romance with which member of the royal family?
Ben Miles: Benjamin Charles Miles (born 1 November 1966) is an English actor, best known for his starring role as Patrick Maitland in the British TV comedy "Coupling", from 2000 to 2004 and as Peter Townsend in the Netflix drama "The Crown" (2017). Peter Townsend (RAF officer):  Townsend also had a romance with Princess Margaret.
Princess Margaret