| Cathal O'Toole | |
|---|---|
| |
| Species: | human |
| Gender: | male |
| Died: | 2364 |
| Hair: | brown |
| Eyes: | blue |
| Height: | 1.76 m |
| Assignment(s): | Flight controller |
| Stationed: | USS Artemis |
| Occupation: | Starfleet officer |
| Rank: | Ensign |
| Insignia: |   |
Cathal O'Toole was a Starfleet officer and flight controller aboard the USS Artemis. After returning from a conference with Daniel Radke to warn the Artemis crew of an alien conspiracy, he and 80% of his colleagues were killed when the Artemis was attacked by a then-unknown force in 2364. (Star Trek: The Prospect Chronicles: "False Security")
- The USS Prospect discovered, years later, O'Toole and the others were killed by a M'Tar attack. (Star Trek: The Prospect Chronicles: "Lady Lazarus")