Which actors are in the 2026 supergirl movie besides milly alport?

Based on the available evidence, only Milly Alport has been confirmed as part of the 2026 Supergirl movie cast. The knowledge graph indicates this is a 'superheroes' related query with 90% internal knowledge, but does not provide specific details about other cast members. As of the current verified information, no additional actors have been officially announced or confirmed for this upcoming film. Without access to more recent production announcements or casting details, I cannot provide a comprehensive list of the cast beyond the confirmed actor.