Lonni Jung is an ISB supervisor secretly embedded in the Imperial ranks as a double agent for the Rebellion. In Andor, his character reveals the crushing weight of deep-cover espionage—haunted by guilt, trapped by duty, and silently aiding Luthen Rael while pretending loyalty to the Empire. His quiet torment and moral conflict reflect the hidden sacrifices behind every rebel victory.

Robert Emms is a British actor known for nuanced, understated performances. In Andor, he brings subtlety and emotional depth to Lonni Jung, portraying the quiet dread of a man torn between two worlds. His scenes with Stellan Skarsgård are among the show’s most psychologically intense.