The film contains no transsexual characters. Trans-related themes appear only incidentally through a minor character's anti-trans rhetoric, critiqued as part of broader political exploitation. No affirming or problematic arcs involving trans identity exist.

The movie does not contain any action or adventure elements.

The film introduces an original ensemble of characters in a new mystery, with Benoit Blanc returning as a male detective consistent with prior installments. No characters from previous films, source material, or history are portrayed with swapped genders.

Wake Up Dead Man: A Knives Out Mystery features the returning detective Benoit Blanc portrayed by the same white actor as in prior films. All other named characters are original creations without established racial depictions in previous canon or source material.