The Secret Life of Walter Mitty does not include any identifiable LGBTQ+ characters or themes. The narrative centers on a heterosexual protagonist's personal growth and romantic pursuits, resulting in no LGBTQ+ portrayal to evaluate.

The film "The Secret Life of Walter Mitty" does not feature any identifiable transsexual characters or themes. Its narrative centers on the protagonist's personal growth and real-world adventures, therefore having no direct impact on the portrayal of transsexual individuals or experiences.

The film does not feature any female characters engaging in direct physical combat. The narrative focuses on Walter Mitty's personal journey and fantasies, none of which depict women in close-quarters fighting roles against male opponents.

The film is an adaptation of James Thurber's short story. The main characters, Walter Mitty and Mrs. Mitty, retain their original genders from the source material. Other significant characters in the film are new creations for this adaptation and do not represent gender-swapped roles.

The film is an adaptation of a 1939 short story. The main character, Walter Mitty, and other legacy characters are portrayed by actors whose race aligns with the implicit or widely understood racial depiction from the source material. No established characters were depicted as a different race.