After a cameo in this year's Superman, Milly Alcock headlines her own Supergirl film as Kara Zor-El. Directed by Craig Gillespie, the new DC movie's plot reads, "When an unexpected and ruthless adversary strikes too close to home, Kara Zor-El, aka Supergirl, reluctantly joins forces with an unlikely companion on an epic, interstellar journey of vengeance and justice." The movie also stars Matthias Schoenaerts, Eve Ridley, David Krumholtz, Emily Beecham, and Jason Momoa. It hits theaters June 26.