Robert Fuller (born Leonard Leroy Lee; July 29, 1933) is a retired American actor. Fuller was known for his deep "charcoal" voice, his roles on the popular Western series Laramie as Jess Harper and Wagon Train as Cooper Smith, and as Dr. Kelly Brackett in the medical/action drama Emergency! (1972–1977). He was also in several movies, including: The Brain from Planet Arous (1957), Teenage Thunder (1957), Return of the Seven (1966), Incident at Phantom Hill (1966), What Ever Happened to Aunt Alice? (1969), and The Hard Ride (1971). (Via Wikipedia)