Fan Casting Galen Erso in Star Wars: Galactic Imperial Era (19 BBY - 5 ABY) Live Action

was a human male scientist and leading galactic authority on crystallography and energy enrichment. Born on the planet Grange, an agricultural backwater world, Erso was drafted into the Republic Futures Program, where his skill and intelligence ultimately led him to become a critical component, though reluctant, in the development of the DS-1 Orbital Battle Station. In doing so, Erso managed to subtly sabotage its design in a way that ultimately proved disastrous for the Galactic Empire.