Peter Jackson's 'They Shall Not Grow Old' is a historical documentary focused on the experiences of British soldiers in World War I, utilizing restored archival footage and veteran testimonies. The film's narrative is entirely dedicated to the realities of trench warfare and the collective wartime experience. As such, it does not feature any identifiable LGBTQ+ characters or themes.

They Shall Not Grow Old is a historical documentary about World War I. Its narrative is entirely focused on the experiences of British soldiers, and as such, it does not feature any identifiable transsexual characters or themes. The film's scope does not include discussions or portrayals related to transgender identity.

The movie does not contain any action or adventure elements.

This film is a documentary composed of archival footage and audio interviews with real World War I veterans. It does not feature fictional characters or historical figures portrayed by actors, thus the concept of a gender swap does not apply.

This film is a documentary that utilizes original archival footage of real World War I soldiers and interviews with veterans. It does not feature actors portraying historical figures or fictional characters, therefore the concept of a 'race swap' does not apply.