Marcus Welby, M.D. is an American medical drama television program that aired Tuesdays at 10:00–11:00 pm (EST) on ABC from September 23, 1969, to July 29, 1976. It starred Robert Young as the title character, a family practitioner with a kind bedside manner, who was on a first-name basis with many of his patients (and who also made house calls), James Brolin, as Steve Kiley, M.D, a younger doctor who was Welby's partner, and Elena Verdugo, who played Welby and Kiley's dedicated and loving nurse and office manager, Consuelo Lopez. Marcus Welby, M.D., was produced by David Victor and David J. O'Connell. The pilot, "A Matter of Humanities", had aired as an ABC Movie of the Week on March 26, 1969.