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Sullivan Walker played Dr. James Harmon, Cliff Huxtable’s close friend, providing support and camaraderie. His character exemplified friendship, professional integrity, and mentorship. Walker’s contributions extended beyond television; he was active on Broadway and dedicated his later years to establishing a school for Caribbean actors.
Walker died of a heart attack at age 65 on February 20, 2012, leaving a legacy of talent, mentorship, and dedication to the arts.