The film 'The Strangers Came' by Alfred Travers is a 1962 drama centered on a refugee's experiences in England. There are no identifiable LGBTQ+ characters or themes present in the narrative, nor are there any elements that could be interpreted as such. Therefore, the film has no net impact on LGBTQ+ portrayal.

The film "The Strangers Came" (1949) does not feature any identifiable transsexual characters or themes. Its plot focuses on a romantic drama intertwined with espionage, with no elements related to transgender identity or experiences.

The movie does not contain any action or adventure elements.

There is no evidence to suggest that "The Strangers Came" (1949) is an adaptation of source material with pre-established characters whose genders were altered for the film. The characters are presumed original to the production.

There is no readily available information indicating that "The Strangers Came" (1949) is an adaptation of a prior work with established character races, nor is it identified as a biopic. Therefore, no characters are found to have been canonically or historically established as a different race prior to this film.