Gaius Helen Mohiam - Sian Phillips - Dune (1984) (Flux)

Gaius Helen Mohiam, as portrayed by Siân Phillips in the 1984 Dune movie, is a commanding and eerie presence, exuding an aura of ancient authority and calculated menace. Draped in heavy, flowing black and gold Bene Gesserit robes, she moves with deliberate precision, her gaunt, sharp features framed by an ornate headdress that adds to her otherworldly mystique. Her piercing eyes and severe expression betray both wisdom and cruelty, her voice measured and laced with quiet but undeniable power. She speaks in a tone that brooks no defiance, each word dripping with the weight of Bene Gesserit doctrine. Her most iconic moment—administering the Gom Jabbar test to Paul Atreides—showcases her mastery of psychological dominance, her cold, unwavering stare and almost serpentine mannerisms making her as terrifying as she is fascinating.