Multiple realities
(covers information from several alternate timelines)

Ensign Strickler was a Starfleet officer stranded in the Delta Quadrant aboard the USS Voyager, while under the command of Captain Kathryn Janeway, in 2371.

In an alternate 2374, Strickler died along with Crewman Emmanuel in a corridor as the result of an explosion on Voyager's deck 5. (VOY: "Year of Hell")

In 2375, Strickler was told by B'Elanna Torres that they needed more phaser drills to rescue the Delta Flyer after it had crashed on a planet during an ion storm. (VOY: "Once Upon a Time")

Strickler was played by an unknown actress in "Year of Hell" who filmed this scene on Monday 11 August 1997 on Paramount Stage 9, according to the call sheet for the third day of production on this episode.