Three female Tarlac served as nurses in the body enhancement facility aboard Ru'afo's flagship in 2375. They assisted in the process of skin stretching in the laboratory aboard the ship. (Star Trek: Insurrection)
This officer served at a bridge console aboard Ru'afo's flagship in 2375. He was also present when Captain Jean-Luc Picard deceived Ru'afo and his crew by transporting them aboard the holoship. (Star Trek: Insurrection)
These Tarlac officers served aboard Ru'afo's flagship in 2375 during their mission in the Briar Patch. They operated the aft consoles on the bridge and one of them was part of an away team which tried to stop Picard's group and the Ba'ku. Two of them fought against Worf during their retake of the flagship's bridge. (Star Trek: Insurrection)
In a deleted scene from Insurrection Data faced two Tarlac soldiers on a cliff and was able to overwhelm them and threw them off the cliff. The Tarlac in this scene were portrayed by stuntmen Brian Avery and Eddie Braun. The "making of" of this scene is part of the special feature "Anatomy of a Stunt" on the Star Trek: Insurrection DVD release.