Milly Alcock USA. Milly Alcock in a scene from CWarner Bros. new film : Supergirl 2026. Plot: Kara Zor-El, aka Supergirl, joins forces with an unlikely companion on an interstellar journey of vengeance and justice when an unexpected adversary strikes too close to home. LMK110-J11729-090426 Supplied by LMKMEDIA. Editorial Only. Landmark Media is not the copyright owner of these Film or TV stills but provides a service only for recognised Media outlets. PUBLICATIONxNOTxINxUKxUSAxCAN