Controller was a title given to officers. LT-319 operated as a controller and the lead intelligence officer in the Imperial Information Office of the Galactic Empire. The Empire also utilized flight controllers, and controller droids such as the RQ protocol droid oversaw operations in spaceports on planets including Lothal.
- Star Wars Rebels – "Double Agent Droid"
- Star Wars 1: Skywalker Strikes (Voice only)
- Star Wars: Episode V The Empire Strikes Back (First appearance)
- Star Wars: Episode VI Return of the Jedi
- Return of the Jedi: Beware the Power of the Dark Side!