Based on the information provided, the film does not feature identifiable LGBTQ+ characters or themes. Consequently, there is no specific portrayal to evaluate under the given framework.

The film "The End" (1964) does not feature any identifiable transsexual characters or themes. The narrative primarily focuses on the relationship dynamics of a heterosexual couple, with no elements related to transgender identity or experiences present in its plot or character arcs.

The movie does not contain any action or adventure elements.

This 1964 film is an original short film, not an adaptation of existing material or a historical biopic. All characters are new creations for this specific production, thus precluding any gender swaps from prior established canon or history.

The film "The End" (1964) is an original Cuban short film. It is not an adaptation of existing source material or a depiction of historical figures, meaning its characters do not have pre-established canonical races that could be subject to a race swap.