Based on available information, "The Woman in Cabin 10" primarily focuses on a mystery-thriller plot. There are no explicit details or mentions of LGBTQ+ characters or themes, indicating no identifiable depiction within the film's narrative.

The movie does not contain any action or adventure elements.

All characters in the film adaptation maintain their established gender from the source novel, with no reported instances of gender swaps.

The film's casting for major characters aligns with their established backgrounds in the source material. For characters like Rowan and Dr. Robert Mehta, whose race was not explicitly detailed in the novel, the casting introduces diversity without contradicting prior canon. No character canonically established as one race is portrayed as a different race.