The film "Where the Sidewalk Ends" is a classic film noir that does not feature any identifiable LGBTQ+ characters or themes. The narrative focuses on heterosexual relationships and crime drama, with no elements pertaining to queer identity or experiences, resulting in no depiction of LGBTQ+ content.

The film 'Where the Sidewalk Ends' (1950) does not feature any identifiable transsexual characters or themes. Its narrative is a straightforward film noir focusing on a detective's involvement in a murder and the ensuing investigation, without any elements pertaining to transgender identity.

The movie does not contain any action or adventure elements.

The film "Where the Sidewalk Ends" is an adaptation of William L. Stuart's novel "Night Cry." A review of the main characters in both the novel and the film reveals no instances where a character's gender was changed from the source material.

The film "Where the Sidewalk Ends" (1950) is an adaptation of a novel. There is no evidence that any character, established as a particular race in the source material, was portrayed by an actor of a different race in this film.