Atonement does not feature any identifiable LGBTQ+ characters or themes. The film's plot centers on a heterosexual romance, class dynamics, and the impact of war and a false accusation, with no elements related to queer identity or experiences.

The film 'Atonement' does not feature any identifiable transsexual characters or themes. Its narrative is centered on a historical drama involving love, war, and atonement, with no elements pertaining to gender identity or transsexuality.

The movie does not contain any action or adventure elements.

The film "Atonement" is a direct adaptation of Ian McEwan's novel. All major characters, such as Cecilia Tallis, Robbie Turner, and Briony Tallis, maintain the same gender as established in the source material. There are no instances of characters canonically or historically established as one gender being portrayed as a different gender on screen.

Based on the source novel by Ian McEwan, all major characters in the film 'Atonement' are portrayed by actors whose race aligns with their established descriptions, with no instances of a character canonically or historically established as one race being depicted as another.