Writing
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.
Acting
- 2023UFOs: Investigating the UnknownSelf - Author, J. Allen Hynek Biography2 ep.
- 2021UFO WitnessSelf - UFO Historian16 ep.
Behind the camera
- 2021UFO WitnessCo-Executive Producer16 ep.
- 1993Star Trek: Deep Space NineStory, Teleplay, Writer2 ep.
Guest appearances
- 2023UFOs: Investigating the UnknownSelf - Author, J. Allen Hynek Biography2 ep.
Also known as: Mark Gehred-O'Connell · Mark Eugene O'Connell