Mark Withers, 'Stranger Things' and 'Magnum, P.I' Actor, Dead at 77

Mark Withers -- a veteran actor who spend decades in the biz and appeared on such shows as "Stranger Things," "Magnum, P.I." and "Dynasty" -- has died. In a statement to Variety ... Mark's daughter, Jessie, said the cause of death was pancreatic cancer ... and he died Nov. 22. “He confronted his illness with the same strength and dignity he brought to his craft, creating a legacy of warmth, humor, and dedication,…