Played by nicholas galitzine. 17½, He has a pale complexion, a sleeper build, and messy blonde hair. He wears baggy hoodies, dark jeans and glasses. He always has an anxious, intense look and a camera covering his face.

Played by Noah Centineo. He is 18, tall and lean with short, almost buzzed, neat brunette hair and sharp features. He dresses in casual, classic teenage clothing like denim jackets, flannel shirts, and clean sneakers, very protective of John and his cousin Andrew once they get close

Played by Marcus Scribner. He is 18, has an athletic, muscular build and short, curly hair. He has a warm, charismatic smile. He usually wears vibrant clothing: sweaters, tank tops, jeans, and fresh shoes, homoerotic revealing outfits such as netting or visible thongs - though no one ever questions him or his sexuality due to his confidence and hyper masculinity. Secretly gay and closeted, love interest of John Doe and his primary protector, has biggest crush on John doe and has stronger psychic bond with him, playful like a jock but is switch that tops and bottoms and is dominant like a power bottom

Played by jon bernthal. He is a stocky, older man with short, curly, thick black hair and heavy stubble. He looks exhausted and angry half the time, typically wearing worn-out undershirts, dirty jeans, and flannel, cares for son even if he's a drunk and doesn't know how to show it. Secretly bisexual

Played by Bo Petersen. She looks extremely frail, gaunt, and pale due to her terminal illness. Her eyes are sunken, her hair is thinning, and she is always seen resting under thick hospital blankets, allows her husband to be in open relationship per her choice

Played by nicola peltz. She is a pretty teenager with long, blonde hair and a bright, friendly style. She dresses in trendy, colorful high school clothing and always carries a fashionable shoulder bag.

A tall, intimidating man in a perfectly tailored, dark government suit and tie. He has a sharp, militaristic haircut, cold eyes hidden behind dark sunglasses, and an expressionless, stone-cold face

An older, thin scientist with unruly grey hair and thick wire glasses. He wears a sterile white lab coat over a crumpled button-up shirt, or a heavy, bright yellow hazmat suit when near the crystal.

Played by tyriq withers, a sexy, muscular 18 year old high schooler with a permanent smirk. He wears expensive streetwear, heavy gold chains, and pristine sneakers. He carries himself with an aggressive, intimidating posture and bullies Andrew due to a crush and suppressed homosexuality, big weewee