James Gordon MacArthur (December 8, 1937 -- October 28, 2010) was an American actor best known for the role of Danny "Danno" Williams, the reliable second-in-command of the fictional Hawaiian State Police squad in the long-running television series Hawaii Five-O.\n\nAnswer this question: who played dano on the original hawaii five-0? OK. Let's think. My stream of consciousness:
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The important part for answering this question is: James Gordon MacArthur (December 8, 1937 -- October 28, 2010) was an American actor best known for the role of Danny "Danno" Williams, the reliable second-in-command of the fictional Hawaiian State Police squad in the long-running television series Hawaii Five-O. The answer is James Gordon MacArthur.
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