Marcus Welby, M.D. is a highly successful medical drama that aired on ABC from 1969 to 1976. Robert Young (Father Knows Best) starred as the title character, a kind family practitioner helped by his young assistant Dr. Steven Kiley(James Brolin) and secretary/nurse Consuelo Lopez (Elena Verdugo). Entertaining and informative, Marcus Welby, M.D. tackled many sensitive and controversial health and social issues that are still topical today. Stars: Robert Young, James Brolin (Hotel) and Elena Verdugo.