This 1938 Soviet propaganda film focuses on racial injustice and a lynching in St. Louis, Missouri, USA. Its narrative is entirely centered on these themes, with no identifiable LGBTQ+ characters or themes present in the story.

The film "An Event in Saint-Louis" features a protagonist who is a drag queen. While it explores themes of queer identity, gender expression, and same-sex relationships, the narrative does not depict transsexual characters or themes related to gender identity incongruence or transition. Therefore, the film's net impact on transsexual portrayals is N/A.

The movie does not contain any action or adventure elements.

There is no available information indicating that "An Event in Saint-Louis" (1932) is an adaptation of prior source material or features historical figures with established genders. Therefore, no characters can be identified as having undergone a gender swap.

The film's characters are original to its narrative, depicting racial dynamics in a fictionalized setting. There is no evidence of characters being adapted from prior source material or historical records where their race was established differently than portrayed in this film.