Is milly alport the actress who played supergirl in the flash?

Current verified sources do not mention Milly Alport as an actress in The Flash, nor do they confirm any casting of a character named Supergirl in that film. Without evidence of Milly Alport’s involvement or the presence of a Supergirl character, the claim cannot be substantiated. If you require confirmation, consult official cast lists or reputable film databases for The Flash.