O Noivo das Caldas, a 1956 Portuguese comedy, does not feature any discernible LGBTQ+ characters or themes. The narrative focuses on traditional romantic and comedic elements, resulting in no specific portrayal of queer identity.

The film "O Noivo das Caldas" features a male character who cross-dresses as a woman for comedic purposes to avoid an unwanted marriage. This temporary disguise is a plot device and does not explore or depict transsexual identity or themes. Therefore, no identifiable transsexual characters or themes are present in the narrative.

The movie does not contain any action or adventure elements.

O Noivo das Caldas (1956) is an original Portuguese romantic comedy. It is not an adaptation of existing source material with pre-established characters, nor a reboot of legacy roles. Therefore, no characters undergo a gender swap.

This 1956 Portuguese film is an original story, not an adaptation of pre-existing material or a biopic. There are no established canonical or historical character races from a prior source to compare against the film's portrayal, thus no race swap can occur.