John Hillerman: John Hillerman. Actor: Magnum, P.I.. John Hillerman, who most famously played the impeccably urbane Englishman Jonathan Quayle Higgins III (VC !) -- Tom Selleck's sophisticated majordomo in Magnum, P.I. (1980) --, was of French, German and Austrian descent, raised in a small Texas town and educated at a Catholic high school. He majored in journalism at the University of Texas, enlisted in the Air Force and spent the period from...