Glass centers on the psychological and physical confrontation between its three main characters, exploring themes of heroism, villainy, and mental health. The film does not include any discernible LGBTQ+ characters or explore related themes, resulting in no identifiable portrayal.

The film 'Glass' does not feature any identifiable transsexual characters or themes. Its narrative centers on individuals with extraordinary abilities and mental health conditions, such as Dissociative Identity Disorder, without engaging with gender identity or transsexual experiences.

The movie does not contain any action or adventure elements.

The film "Glass" is a direct sequel to "Unbreakable" and "Split," featuring the same established characters. No character from the previous installments or new significant character introduced in "Glass" had their canonical or established gender altered.

The film features returning characters from its preceding installments, "Unbreakable" and "Split," all portrayed by their original actors, maintaining their established racial depictions. No characters were recast with actors of a different race.