At 19, Jack Marston has inherited his father John's rugged appearance, sporting shoulder-length hair, a mustache, and a goatee, often wearing his father's hat and a beige jacket.  Personality-wise, Jack is introspective and intelligent, with a deep sense of justice and a desire to prove himself. He is profoundly affected by his father's death, leading him to seek revenge, reflecting his determination and commitment to avenging his family's honor.