Alfred Hitchcock's 'Dial M for Murder' does not feature any identifiable LGBTQ+ characters or themes. The film's plot revolves entirely around heterosexual relationships and a murder conspiracy, resulting in no portrayal of queer identity.

The film "Dial M for Murder" does not feature any identifiable transsexual characters or themes. The narrative focuses entirely on a heterosexual marital drama, a murder plot, and a police investigation, with no elements related to transgender identity or experiences.

The movie does not contain any action or adventure elements.

The 1954 film adaptation of Frederick Knott's play "Dial M for Murder" retains the original gender of all its main characters, including Tony, Margot, Mark, and Inspector Hubbard. No characters established in the source material were portrayed as a different gender on screen.

The 1954 film "Dial M for Murder" is an adaptation of a 1952 play. All major characters in the film are portrayed by actors of the same race as implicitly established in the original source material and consistent with the setting and period. No character's race was changed from a canonically established or widely understood depiction.