Fresh 19+ Millie Bobby Brown Eleven Millie Bobby Brown Stranger Things Cast. Millie bobby brown (born 19 february 2004) is an english actress and model. Millie bobby brown (born 19 february 2004) is an english actress and producer. Brown plays eleven, a taciturn heroine with telekinetic powers who goes toe to toe with the series' main antagonist (or herself?). Bubbly millie wore a buttoned up leather dress and flashed peace signs at the.