Film and TV performances Year Title Role Notes 2015 Sirens Scenester 2015 Chicago Fire Emmett 2015 Empire Tony Trichter III 2015 Henry Gamble's Birthday Party Gabe Film 2016–present Stranger Things Steve Harrington Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Drama Series 2016 The Charnel House Scott 2017 Slice Jackson 2017 Molly's Game Cole