Ensign Nagel was a 24th century Starfleet operations division officer assigned to the USS Enterprise-D.
In 2365, Nagel was temporarily reassigned as the tactical officer of the USS Hathaway during a Starfleet battle simulation. (TNG: "Peak Performance")
Nagel was played by actress Leslie Neale.
According to the script
, Nagel was pronounced as "NAY-gull".