What is the cast list for supergirl 2026?

Supergirl (2026) is an American superhero film set in the DC Universe, directed by Craig Gillespie and written by Ana Nogueira. The film features Milly Alcock in the title role as Kara Zor‑El, the Kryptonian cousin of Superman who becomes Supergirl. In addition to Alcock, the cast includes Matthias Schoenaerts, Eve Ridley, David Krumholtz, Emily Beecham, David Corenswet, and Jason Momoa, who portray key characters that support Kara on her galactic quest. While the specific character names and relationships are not detailed in the available source, these actors are listed as part of the principal cast in the film’s official production announcements. The story follows Kara as she travels across the galaxy to confront an adversary who has harmed her pet dog Krypto.