The film 'Flatliners' does not include any discernible LGBTQ+ characters or themes within its plot or character development. The narrative focuses on heterosexual relationships and individual experiences with near-death, without addressing queer identity.

The film 'Flatliners' (2017) does not feature any identifiable transsexual characters or themes within its narrative. The plot focuses on medical students experimenting with near-death experiences and their subsequent supernatural encounters, without incorporating any transgender-related elements.

The movie does not contain any action or adventure elements.

The 2017 film introduces a new ensemble of medical students, who are original characters for this installment, not gender-swapped versions of the 1990 film's protagonists. Kiefer Sutherland reprises his role as Nelson Wright, maintaining his original gender.

The 2017 film introduces a new ensemble cast, with no characters from the original 1990 film being recast with actors of a different race. The returning character, Nelson, is played by the original actor, maintaining his race.