A talented young singer who experiences a dramatic transformation in her musical ability after secret lessons from the mysterious Angel of Music, with whom she feels a deep, if conflicted, connection.

A young, handsome nobleman and childhood friend of Christine, whose deep love for her drives him to unravel the mystery of her unusual behavior and her connection to the Opera Ghost.

New managers of the Paris Opera House, who are drawn into the perplexing and often comedic mystery of the Opera Ghost as they attempt to understand and address the supernatural events affecting their business.

A former acquaintance of Erik from his time as an assassin in Persia, who becomes an ally to Raoul in uncovering the truth about Erik and the dangers lurking within the Opera House.

An in-text persona of the author, Gaston Leroux, who serves as an investigative journalist aiming to uncover and present the complex mysteries surrounding the Paris Opera House decades after the events.

Mme. Giry is the ghost's box-keeper and one of the few who believes in his existence without question, while Meg Giry is her daughter, one of the ballet dancers at the Opera.

Raoul’s older brother and head of their family, who initially supports Raoul's infatuation with Christine but grows concerned as Raoul becomes emotionally entangled.

The Opera's leading Spanish diva, whose self-centered and impulsive nature puts her at odds with the ghost's wishes and becomes a target of his eerie antics.

The retiring managers of the Paris Opera who pass on their roles to Moncharmin and Richard, leaving behind the mystery of the ghost and a list of its peculiar demands.