The film "Wicked Little Letters" does not feature identifiable LGBTQ+ characters or themes. Its primary focus is on women's emancipation and a historical scandal, with no direct address of LGBTQ+ presence or issues. Consequently, there is no LGBTQ+ portrayal to evaluate within the story.

Wicked Little Letters does not include transsexual characters or themes. The narrative centers on a historical mystery and the lives of women in a 1920s English town, focusing on themes of community, resilience, and social norms without addressing gender identity related to transsexuality.

The movie does not contain any action or adventure elements.

The film is based on a true story featuring real historical female figures, including the protagonists and a pioneering female police officer. The narrative emphasizes female empowerment and agency, with no characters being portrayed as a different gender than their historical or canonical establishment.

The provided information describes an ethnically diverse cast and an interracial couple within the film, but it does not indicate that any character was previously established as a different race in source material, history, or prior canon. Therefore, no race swap is identified.