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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.
Media | ||||
|---|---|---|---|---|
| TV Show | 2023 | UFOs: Investigating the Unknown | Self - Author, J. Allen Hynek Biography | 2 |
| TV Show | 2021 | UFO Witness | Self - UFO Historian | 8 |
Media | ||||
|---|---|---|---|---|
| TV Show | 1993 | Star Trek: Deep Space Nine | Story | Writing |
| TV Show | 1993 | Star Trek: Deep Space Nine | Teleplay | Writing |
| TV Show | 1993 | Star Trek: Deep Space Nine | Writer | Writing |
| TV Show | 2021 | UFO Witness | Co-Executive Producer | Production |
