| Played By:
|| Peter Wingfield
Lach is a northerner of the planet Trillin. His people, the northerners, have been at war with each other for 10,000 years and his people were persecuted and driven north by the Southerners.
Tearlach and subordinates
Zara and Tearlach were discovered drifting in space by the Andromeda in identical ships.