Wolff's dependable second-in-command and primary companion in Vietnam, whose professionalism and military expertise greatly assist Wolff during his tour.

A friend from training with whom Wolff shares a deep bond, cut short by the harsh realities of war.

A fellow trainee and aspiring writer, who ultimately makes the bold decision to desert before deployment due to external pressures.

An educated Foreign Service Officer whom Wolff admires during language training, though their friendship sours over a significant disagreement.

Wolff's estranged father, whose troubled past and personality significantly affect Wolff’s decisions and life path.

Wolff’s volatile partner, whose aristocratic background and fiery temperament contribute to their tumultuous relationship.