Marcus Welby, M.D. is an American medical drama television series that aired on ABC from September 23, 1969, to May 4, 1976. It starred Robert Young as the title character, a family practitioner with a kind bedside manner, who made house calls and was on a first-name basis with many of his patients; James Brolin as his partner Steven Kiley, a younger doctor; and Elena Verdugo as Consuelo Lopez, Welby and Kiley's dedicated and caring nurse/office manager.