Based on the provided input, there is no information available to assess the portrayal of LGBTQ+ characters or themes in the film. Therefore, a definitive evaluation cannot be made.

The film 'Maigret and the Man on the Bench' does not feature any identifiable transsexual characters or themes. The narrative centers on a detective's investigation into a murder, exploring the victim's hidden life without touching upon transgender identity or related issues.

The movie does not contain any action or adventure elements.

This film is an adaptation of Georges Simenon's novel featuring Inspector Maigret. The central character, Inspector Maigret, who is canonically male, is portrayed by a male actor. There is no evidence of any other major or legacy character undergoing a gender swap from their established source material.

The film is a Soviet adaptation of a Georges Simenon novel featuring Inspector Maigret, a canonically white French character. In this 1981 adaptation, Maigret is portrayed by Boris Tenin, a white actor. There is no evidence of any established character being depicted as a different race.