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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Show

UFOs: Investigating the Unknown

Self – Author, J. Allen Hynek Biography

Script

Star Trek: Deep Space Nine

(2 episodes)

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Ben Hansen

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