Joyce Byers
Jim Hopper
Mike Wheeler
Eleven
Dustin Henderson
Lucas Sinclair
Nancy Wheeler
Jonathan Byers
Karen Wheeler
Dr. Martin Brenner
Ted Wheeler
Steve Harrington
Officer Powell
Terry Ives
Officer Callahan (as John Paul Reynolds)
The Monster
Becky Ives
Nicole
Elevator Scientist
Hunting Store Owner
Agent Connie Frazier
Scott Clarke
Scientist (as Hugh Holub)
Lead Agent
James
Female Clerk
Grocery Store Manager
Holly Wheeler
Tommy Hagan
Florence
Reed
Carol Perkins
Agent Repairman (as Robert Walker-Branchaud)
Troy
Security Guard (uncredited)
Scientist (uncredited)
Hawkins Police Officer (uncredited)
Townsperson (uncredited)
Lab Tech #1 (uncredited)
Winky's Patron (uncredited)
Lab Tech #2 (uncredited)