HomePeople Biography and filmographyThomas A. McMahon Biography unavailable on TMDB. Movies (5)TV shows (0) Photos Movies (5) The Killing of John Lennon2007 · Spiro 14082007 · Cop #1 Caravans1978 · Screenplay Sidewinder 11977 · Writer Domestic BlissDomestic Bliss · Detective Gracie TV shows (0) No credits available.