Kosha Engler. Actress: Batman. Kosha Engler is an American/British actress, singer and writer based between London, UK and the US East Coast. Kosha began her career in Baltimore, Maryland where she made her TV debut in HBO's A Escuta (2002). Her 'plucky magnanimous warmth' (Boston Globe), 'radiance' (Washington Post) and vulnerability in a host of ingenue roles saw her win the Irene Ryan Acting Award, appear in Disney's family drama Vivendo...