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Mark Harmon Honors the Legacy of His NCIS Co-Star David McCallum
Actor Mark Harmon has shared thoughtful reflections about his longtime friend and former co-star, David McCallum, remembering both the professional partnership and personal bond they built over years working together on television’s NCIS.
Their collaboration extended far beyond the screen. Over time, what began as a working relationship evolved into a meaningful friendship built on mutual respect, trust, and shared experiences.
