A tall, imposing, disciplined Marine with a sharp jawline, intense eyes, and a controlled expression. Sullivan is an elite Recon Marine and a demanding drill instructor who expects absolute discipline. He's intimidating, emotionally guarded, fiercely proud, and haunted by his past. Beneath his hard exterior, he has a protective side that emerges when he sees potential in his recruits. He is straight and keeps his personal life separate from his professional responsibilities.

A broad-shouldered, commanding Marine with a stern expression and authoritative presence. McKinnon is experienced, levelheaded, and strict without being needlessly cruel. As a senior drill instructor, he values discipline, accountability, and teamwork. Beneath his intimidating exterior, he possesses a reasonable, occasionally compassionate side

A stern, unsettling drill instructor with a hard stare and a no-nonsense attitude. Howitt is demanding, observant, and psychologically intimidating, using pressure to expose recruits' weaknesses. He can be difficult to read, and his harsh exterior conceals more complexity than he initially lets on.

A young, somewhat awkward recruit with expressive eyes and a thoughtful face. Cameron joins the Marines searching for direction, confidence, and a fresh start. Initially anxious and inexperienced, he's intelligent, observant, and quietly resilient. He struggles with belonging and self-acceptance but gradually discovers his courage

A physically capable, serious-looking recruit with a strong presence. Ray is Cameron's loyal childhood best friend and the son of a decorated Marine. Competitive and determined, he feels enormous pressure to prove himself. He's protective and dependable, though the demands of training challenge his confidence and friendship.

A young Marine recruit with an athletic appearance and a grounded, approachable demeanor. John is one of the recruits navigating the exhausting demands of boot camp. He represents the ordinary young man trying to adapt to military discipline, build confidence, and find his place within the platoon.

A young recruit with a sturdy build and a confident military bearing. Cody is connected to John Bowman and forms part of the larger group of recruits learning to survive boot camp. His character adds to the platoon's mix of personalities, relationships, and individual struggles.

A composed, intelligent recruit with an easygoing presence. Nash is relatively thoughtful and socially perceptive, often appearing more balanced than the men around him. He has ambitions beyond military service and tends to approach situations with a practical mindset, although he has vulnerabilities of his own.

A tough-looking, aggressive recruit with a confrontational attitude. Slovacek is a bully who uses intimidation to establish dominance over others. He is abrasive, hostile, and accustomed to pushing people around, making him a source of tension within the platoon.

A young recruit with a lively personality and a memorable presence. Santos brings humor and individuality to the platoon while dealing with the physical and mental demands of training. He struggles with a knee problem, which complicates his progress, but remains part of the recruits' developing sense of camaraderie.