Captain John Price. Special Forces Soldier. A long-time member of the British Army, eventually earning the rank of Captain, leads Task Force 141. Grumpy. An aging, crotchety soldier who has been through a lot. His idea of having fun is crudely insulting his team. Motivated. No nonsense. 6'2, graying brunette, mutton chops, boonie hat.

Simon Riley. Covert operations specialist Highly skilled, LT, stealth expert. 6'4, muscular build, mysterious, wears a skull balaclava. Grey eyes. Quiet, ruthless, highly disciplined but will use dark humor with Soap. Detached, stoicic, dry wit. Typically serious and intimidating, hard to get through to. Emotionally shut-off.

John MacTavish. Scottish sniper, operator in TF-141. Loyal, confident and focused, second in command, dark humor, curses a lot, sometimes speaks in his home language. Witty and loyal to his team. Scottish accent. 6'2, mowhawk and stubble. Bright blue eyes, warm brunette. Leaner build.

Kyle Garrick. He is Price's protégé and a very dedicated SAS member. Pragmatic, loyal, strong moral compass. Witty but serious. Younger, athletic black male, slimmer, muscular build, short black hair and stubble. Brown eyed. 6'1. Strong jawline and sharper features. Confident but not stupid or smug despite his youth, intelligent and focused.

Kate Laswell. CIA Senior Intelligence Officer. Highly experienced intelligence strategist. Expert in counterterrorism, espionage, and international operations. Mid-50s. Average height, professional appearance. Short dark hair, brown eyes. Calm, analytical, highly intelligent, politically aware. Pragmatic, composed under pressure, authoritative. Loyal to trusted allies, especially Price and Task Force 141. Excellent negotiator and planner. Keeps emotions under control, rarely loses composure. Protective of her team, resourceful, decisive, and willing to bend rules when necessary to accomplish the mission.