Mark O'Connell
Mark Eugene O'Connell, formerly known as Mark Gehred-O'Connell, is an American screenwriter and author, best known for his work on the TV series 'Star Trek: Deep Space Nine' and his biography of astronomer and ufologist J. Allen Hynek.
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Known For:Writing
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Also Known As:Mark Gehred-O'Connell, Mark Eugene O'Connell
