[2] He was introduced to the entertainment industry by his sister, J.J. McColl (née Joane Elizabeth Humphrey), a writer and CBC Radio personality.
He also worked for the Vancouver radio station CJOR and later hosted the CBC Television variety show Parade.
[1] Humphrey relocated to Toronto, Ontario in 1967, where he produced the CBC Radio political satire show Inside from the Outside from 1969 to 1975.
[3] Humphrey, along with his partner Louis Del Grande, wrote and story edited the CBC Television sitcom, King of Kensington, eventually going on to become executive producer of the series, which ran from 1975 to 1980.
[6] He also wrote for and executive produced episodes of Silver Spoons and worked as a story consultant for The Facts of Life.