Humphrey is a 35-year-old literary scholar who enjoys a comfortable life of inherited wealth in San Francisco. Thrust into the violent, working-class environment of a sealing schooner, he becomes a deeply out-of-place cabin boy. He relies on his intellect to survive while slowly adapting to grueling physical labor and challenging his lifelong assumptions.

Wolf is the fearsome captain of the sealing schooner *Ghost*. He is an amoral materialist who rules his ship through brute strength, intimidation, and an iron will. Despite his violent methods, he is entirely self-educated and possesses a sharp mind that craves intellectual debate about literature and philosophy.

Maud is a 27-year-old respected literary critic and writer traveling to Japan for her health. Plucked from the ocean by the *Ghost* after a shipwreck, she must quickly adapt her genteel background to the violent reality of the schooner. Her wit, intelligence, and straightforward manner make her a formidable presence.

Thomas is the cook aboard the *Ghost*, coming from a destitute and uneducated background. He frequently complains about his bad luck and harbors a deep resentment for gentlemen. He uses his authority in the galley to mock and overwork new arrivals.

Johnson is a Scandinavian sailor who respects the ocean and takes pride in his seamanship. He possesses a strong sense of fairness and a courteous manner. His idealism frequently puts him at odds with the brutal reality of the ship's command structure.

Leach is a fiery, working-class sailor who signs onto the *Ghost* as a cabin boy but is violently reassigned to a hunting boat. He possesses a rough gallantry and openly voices his disgust for the captain's brutality, making him an audacious voice of dissent among the crew.

Louis is an observant sailor on the *Ghost* who actively avoids drawing the captain's wrath. He acts as a knowledgeable informant, explaining the ship's social dynamics and the violent history of the crew.

Death is Wolf's brother and the captain of the competing sealing steamer *Macedonia*. Unlike his intellectual brother, Death is described as a man who simply lives life without overthinking it, though he shares a reputation for ruthlessness.

Johansen is a Swedish sailor who works tirelessly to send money back to his mother. Promoted to mate following a fatality, he enforces the captain's harsh orders and fully assimilates into the ship's violent hierarchy.

Henderson is one of the six hunters aboard the *Ghost*. He is callous and quick to anger, occupying a slightly elevated status above the regular sailors and strictly enforcing his position.

Smoke is a seal hunter aboard the schooner. He maintains a tense, hostile dynamic with his peers, frequently clashing with other hunters over territory and grievances.

Harrison is a novice sailor on his first voyage. He struggles with the terrifying physical demands of working on the ship's rigging and paralyzing fear.

Standish is a seal hunter who relies on a dedicated boat puller. He shows a rare flash of practicality by trying to protect his crew member from dangerous, unnecessary commands.

Kelly is a sailor who quickly learns the brutal reality of life under the captain's command. He attempts a desperate escape near Wainwright Island to flee the harsh conditions.

Latimer is one of the *Ghost*'s hunters. He aligns himself closely with the ship's power structure, stepping in to assist the captain during violent uprisings below decks.

Kerfoot is a hunter whose passionate, poorly reasoned arguments exemplify the callous nature of the men living in the steerage.

Oofty-Oofty is a sailor aboard the schooner who manages to stay out of the initial violent fray, remaining genuinely asleep while others plot against the command.

Charley is a friend residing in Sausalito. His farewells mark the last peaceful interaction Humphrey experiences before his disastrous ferry ride.

The original mate of the *Ghost* is an unnamed man who dies of alcohol poisoning shortly after the schooner picks up its newest passenger, setting off a chain of brutal promotions.