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Photo of Mark O'Connell

Mark O'Connell

Additional Credits
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.
Known For
  • UFO Witness

Filmography

2023
UFOs: Investigating the Unknown (TV Series) · as Self – Author, J. Allen Hynek Biography
2021
UFO Witness (TV Series) · as Self - Ufo Historian
2013
Mysteries at the Monument (TV Series) · as Self - Author

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