Keean Johnson: Keean Johnson. Actor: Alita: Battle Angel. Keean Manny Johnson, born Oct 25, 1996 by the foothills of the Colorado Rockies, is the son of a British father and an American mother. Home schooled for most of his life with his younger brother Cade, he balances much of his time between his passions for dance, music, acting, and photography. After performing over 300 shows on Broadway Keean moved from Manhattan to...