Mildred Pierce does not feature any identifiable LGBTQ+ characters or themes. The story centers on heterosexual relationships and family dynamics, with no elements that could be categorized as an LGBTQ+ portrayal.

Mildred Pierce does not feature any identifiable transsexual characters or themes. The narrative is entirely focused on other social and personal dramas, rendering the concept of transsexual portrayal inapplicable to this film.

The movie does not contain any action or adventure elements.

The 1945 film adaptation of James M. Cain's novel portrays all major characters with the same gender as established in the source material. No canonical characters were depicted with a different gender.

The 1945 film "Mildred Pierce" is an adaptation of James M. Cain's novel. All major characters, including Mildred Pierce, Veda Pierce, and Monty Beragon, are portrayed by actors whose race aligns with their established depiction in the source material. No instances of a character being portrayed by an actor of a different race were identified.