Sophia Lillis As Alexandra Harrington (005)
Finn Wolfhard As Mike Wheeler
Noah Schnapp As Will Byers
Caleb Mclaughlin As Lucas Sinclair
Gaten Matarazzo As Dustin Henderson
Millie Bobby Brown As Eleven (011)
Others
Natalie Dyer As Nancy Wheeler
Charlie Heaton As Jonathan Byers
Joey Keery As Steve Harrington
Winona Ryder As Joyce Byers
David Harbour As Jim Hopper
Randell Havens As Mr. Clarke
Mathew Modine As Dr. Brenner