Larsen is the formidable and philosophical captain of the Ghost, known for his violent and ruthless demeanor, who challenges Humphrey's beliefs and survival skills.

Maud is a well-educated literary critic and the novel's sole female character, who serves as a catalyst for Humphrey's personal development and transformation.

A Scandinavian sailor with a deep appreciation for the sea, Johnson is admired for his idealism and rebellious spirit against the harsh conditions aboard the Ghost.

George Leach is a working-class sailor who passionately opposes Captain Larsen's brutal control and aspires to lead the crew in mutiny.

Mugridge, the ship's cook, comes from a disadvantaged background and harbors resentment towards Humphrey, viewing him as symbolically lucky compared to his own misfortunes.