Cartaino was a Starfleet command division officer serving aboard the USS Enterprise-D in 2367.

Along with Gleason and Crusher, he was ordered by Commander Shelby to report to the battle bridge shortly before the Enterprise-D was to separate and execute a plan to rescue Captain Jean-Luc Picard from the Borg.

On the battle bridge, he manned a duty station where he confirmed the opening and closing of the com channel to Captain William T. Riker. (TNG: "The Best of Both Worlds, Part II")

Cartaino was portrayed by an unknown actor. His two lines were spoken by an unknown voice actor and recorded during the ADR process.