- Winona Ryder (Joyce Byers)
- David Harbour (Jim Hopper)
- Millie Bobby Brown (Eleven / Jane Hopper)
- Finn Wolfhard (Mike Wheeler)
- Gaten Matarazzo (Dustin Henderson)
- Caleb McLaughlin (Lucas Sinclair)
- Noah Schnapp (Will Byers)
- Sadie Sink (Max Mayfield)
- Natalia Dyer (Nancy Wheeler)
- Charlie Heaton (Jonathan Byers)
- Joe Keery (Steve Harrington)
- Maya Hawke (Robin Buckley)
- Brett Gelman (Murray)
- Priah Ferguson (Erica Sinclair)
- Cara Buono (Karen Wheeler)
- Jamie Campbell Bower (Vecna)
- Nell Fisher (Holly Wheeler)
- Linda Hamilton (Dr. Kay)
Stranger Things — S2E8
Episode: Chapter Eight: The Mind Flayer
Air Date: 2017-10-27
Runtime: 48 min
Overview
An unlikely hero steps forward when a deadly development puts the Hawkins Lab on lockdown, trapping Will and several others inside.