Mission: Impossible III does not feature any identifiable LGBTQ+ characters or themes. The narrative focuses entirely on espionage, action, and the personal stakes of the protagonist, Ethan Hunt, and his heterosexual relationship, without any exploration or depiction of queer identity.

Mission: Impossible III does not feature any identifiable transsexual characters or themes. The film's narrative is centered on espionage, action, and the personal stakes of Ethan Hunt's mission, without engaging with transgender identities or related social issues.

The film features female characters who participate in action sequences, primarily using firearms or supporting roles. However, there are no scenes depicting a female character defeating one or more male opponents in direct, close-quarters physical combat using skill, strength, or martial arts.

Mission: Impossible III introduces new characters to the franchise while retaining the established gender of returning characters like Ethan Hunt and Luther Stickell. No previously canonical characters from the film series or original source material undergo a gender change in this installment.

All primary characters in Mission: Impossible III are either new creations for this film or returning characters whose race remains consistent with prior installments. No established character from the film series or its source material was portrayed by an actor of a different race.