Commander Farah Ahmed Karim is a Middle Eastern Urzikstani liberation fighter with a strong, determined Urzikstani-accented English, standing 5 feet 9 inches (1.75 m) tall and weighing 148 lbs (67 kg). In her late 20s to early 30s, she has a lean, combat-honed athletic build, long dark brown hair usually tied back, and large, weathered hands calloused from a lifetime of leading the Urzikstan Liberation Force against foreign occupation.

Alex Keller (callsign Echo 3-1) is a Caucasian American CIA operative with a standard American accent, standing 6 feet 0 inches (1.83 m) tall and weighing 180 lbs (81 kg). In his mid-to-late 30s, he features a resilient, athletic build, short brown hair, and large, battle-hardened hands that complement his specialized prosthetic left leg and unmatched expertise in deep-cover guerrilla warfare.

Valeria Garza (also known as "El Sin Nombre") is a Mestizo/Hispanic Mexican cartel leader with a sharp, commanding Mexican accent, standing roughly 5 feet 9 inches (1.75 m) tall and weighing around 145 lbs (66 kg). In her mid-to-late 30s, she has a lean, athletic build, shoulder-length black hair, and large, steady hands tattooed with intricate patterns that reflect her cutthroat nature as a former Special Forces officer turned ‘pill’ lord.

Sergeant Gary "Roach" Sanderson is a Caucasian British SAS operator with a standard English accent, standing 6 feet 1 inch (1.85 m) tall and weighing 182 lbs (82 kg). In his mid-to-late 20s, he features a lean but highly athletic build, short dirty blonde hair, and large, battle-ready hands heavily relied upon as a mute but elite operative.

Sergeant Major Rodolfo "Rudy" Parra is a Hispanic Mexican Special Forces operator with a smooth, composed Mexican accent, standing 5 feet 11 inches (1.80 m) tall and weighing 190 lbs (86 kg). In his mid-30s, he features a lean, highly athletic build, short black hair, and large, steady hands specialized in breaching tactics, demolition, and managing heavy firepower under pressure.

Colonel Alejandro Vargas is a Hispanic Mexican Special Forces operator with a gravelly Mexican accent, standing 6 feet 2 inches (1.88 m) tall and weighing 195 lbs (88 kg). In his mid-to-late 30s, he features a heavily built, athletic frame, short black hair, and large, calloused hands hardened by years of fighting cartels and leading his elite unit, Los Vaqueros.

Sergeant Kyle "Gaz" Garrick is a Black British SAS operator with a contemporary London accent, standing 6 feet 0 inches (1.83 m) tall and weighing 185 lbs (84 kg). In his late 20s to early 30s, he features a lean, highly athletic build, short black hair, and large, quick-reflex hands built for elite precision marksmanship and urban counter-terrorism.

Sergeant John "Soap" MacTavish is a Caucasian Scottish SAS operator with a distinct, rugged Scottish accent, standing 6 feet 2 inches (1.88 m) tall and weighing 195 lbs (88 kg). In his late 20s to early 30s, he features a highly athletic build, a signature brown mohawk, and large, battle-scarred hands reflecting his expertise as a demolitionist and elite sniper.

Lieutenant Simon "Ghost" Riley is a Caucasian British SAS operator with a heavy Manchester accent, standing 6 feet 2.5 inches (1.89 m) tall and weighing 224 lbs (101 kg). In his mid-to-late 30s, he has a massive athletic build, short brown hair, and large, combat-ready hands hidden beneath his signature skull mask.

Captain Jonathan 'John' Price is a Caucasian British SAS officer with a gruff English accent, standing 6 feet 2 inches (1.88 m) tall and weighing 205 lbs (93 kg). In his late 30s to early 40s, he has an athletic build, greying brown hair, and large, battle-hardened hands built for tactical combat.