- Dylan O'Brien Thomas
- Ki Hong Lee Minho
- Kaya Scodelario Teresa
- Thomas Brodie-Sangster Newt
- Giancarlo Esposito Jorge
- Aidan Gillen Janson
- Barry Pepper Vince
- Lili Taylor Mary Cooper
- Patricia Clarkson Ava Paige
- Rosa Salazar Brenda
- Nathalie Emmanuel Harriet
- Jacob Lofland Aris
- Katherine McNamara Sonya