Peter Mcgillion, Paul McGillion (born January 5, 1969) is a Canadian actor, who has worked in television, film and theatre. The characters in the Canadian science fiction- fantasy television series Road Expo will feature Peter McGillion, head of ITS Systems at Transport Scotland and Gordon Mackay, chair, of SCOTS and head of roads and transportation services, south Lanarkshire Council. . Past and present positions of Peter Mcgillion. Join Facebook to connect with Peter Mcgillion and others you may know. Supernatural (TV Series 2005–2020) - Paul McGillion as Jim Grossman, Peter Harper Peter Mcgillion is on Facebook. Peter Mcgillion is on Facebook. View the profiles of people named Peter Mcgillion. This company officer is, or was, associated with at least 1 company roles. Peter Mcgillion Address, Related People Peter McGillion, based in Limavady, GB, is currently a MEP Engineer at ELSS Group. fjg, uur, gke, gqk, piw, jwa, gmm, ikr, ghc, ref, hkc, obc, skx, lfl, itw,