The assistant of Pedro Vidal, whom she eventually marries. She is deeply tied to David through their shared past and complex relationships, struggling with obligations and emotions.

A middle-aged publisher who offers David a Faustian bargain with significant and mysterious implications. His interactions with David lead to questions about identity and motive.

A wealthy and charming owner of a newspaper who helps David start his writing career. He shares a complicated relationship with both Cristina and David.

A lawyer who encounters supernatural dilemmas after accepting a daunting offer from Corelli. His actions intersect with David's, leading to dramatic confrontations.

A young aspiring writer who becomes David's assistant and mentee. She plays an important role in David’s personal and professional life.

A kindly bookseller and surrogate father figure to David. He introduces David to influential literary resources and supports him throughout his life.

A police inspector assigned to investigate David amid a series of mysterious events. His role extends into a complex web of motives and interactions.