The film does not feature any identifiable LGBTQ+ characters or themes. The narrative primarily focuses on heterosexual relationships, class dynamics, and psychological thriller elements within a wealthy family, with no elements related to queer identity or experiences.

The film "The Housemaid" (2010) does not feature any identifiable transsexual characters or themes. Its narrative focuses on a housemaid's entanglement with a wealthy family, without incorporating any elements related to transgender identity or experiences.

The movie does not contain any action or adventure elements.

There is no available information indicating that "The Housemaid" (1915) is an adaptation of a prior work with established character genders, nor does it feature historical figures whose genders would be altered. Therefore, no gender swaps can be identified.

No information is provided regarding source material or prior established character races for 'The Housemaid' (1915). Without a baseline, it is not possible to determine if any character's race was changed from a previous depiction.