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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.
Mark O'Connell 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 |
| 2009 | Ancient Aliens (TV Series) · as Self - Author, The Close Encounters Man |
| 2021 | UFO Witness (TV Series) · as Co-Executive Producer |
| 1993 | Star Trek: Deep Space Nine (TV Series) · as Teleplay |