Katie’s character becomes clearer through her contrast with the people around her. Despite suffering and evil, she remains compassionate, sincere and true to herself. Her resilience comes not from power, but from refusing to become like the world which has harmed her.

Ferriman

Jack Ferriman is Katie’s moral opposite. Linked symbolically to Charon, the ferryman of the underworld, he tempts people through greed, unhealthy desires and deception in order to claim their souls. Yet Ferriman cannot simply force people to become corrupt; his power depends upon the choices they make.

Katie’s simple presence challenges everything Ferriman believes. He sees people as unworthy, selfish and easily corrupted, while she repeatedly acts out of compassion and concern for others. Ferriman tries to bring out the worst in people—Katie brings out the best.

Their conflict represents more than just good against evil. Ferriman attempts to prove corruption ultimately wins, while Katie’s continued innocence and resilience demonstrates some things are beyond being corrupted.

Epps

Maureen Epps and Katie come from very different worlds, yet they gradually form the closest relationship in the story. Epps begins as a skeptical, practical salvager, while Katie first appears as a mysterious warning figure.

Unlike the others, Epps chooses to pay attention. As she discovers Katie’s cabin, belongings, remains and heart locket, Katie becomes more than a “ghost” or just a victim. Epps and the audience begin to understand her as a child with a family, a history and a life that mattered.

Their bond deepens when Katie reveals the events of 1962 through her memories. Epps experiences Katie’s happiness, fear, suffering and loss firsthand, finally understanding both what happened aboard the ship and who Ferriman truly is.

Katie’s influence changes Epps from a detached observer into someone willing to act. Epps risks her own life to destroy the ship and free Katie and the other trapped souls. In return, Katie helps Epps survive both physically and spiritually.

Their relationship reverses the usual horror-child dynamic. Both Epps and the audience do not come to fear Katie—Instead they learn to trust and care for her. Katie’s influence is demonstrated through compassion rather than menace, while Epps becomes the person who finally listens to Katie after forty years.

By the end, Epps still wears Katie’s heart locket—A lasting reminder of the child who helped change the course of her life.

Francesca

Francesca, the glamorous singer aboard the Antonia Graza, provides another strong contrast with Katie. She uses beauty, charm and sexuality as sources of influence, but ultimately becomes caught in the same system of manipulation she tries to exploit.

Driven by promised wealth and personal gain, Francesca joins the conspiracy against the passengers and helps Ferriman lure others to their deaths. Although she believes she is using those around her, Ferriman is ultimately manipulating her as well.

Katie represents the opposite kind of influence. She seeks nothing for herself and never manipulates others. Her relationships are based on sincerity, understanding and concern rather than advantage or exchange.

Together, Francesca, Epps and Katie present three very different expressions of femininity: Francesca through performance and manipulation, Epps through practicality and independence and Katie through moral constancy, quiet resolve and genuine care.