Season 4

The fourth season of the ABC series, Lost aired from October 8, 2019 to January 28, 2020. It averaged. million U.S. live viewers per episode.

Starring

 * Tom Welling as Tim Harper
 * Evangeline Lilly as Sarah Lloyd
 * Chris Wood as Ryan Hughes
 * Sean Maguire as Jackson Bennett
 * Victoria Cartagena as Grace Bennett
 * Maisie Richardson-Sellers as Zoe Vincent
 * Erin Richards as Taylor Hughes
 * Joe Keery as Sam Harper
 * Natalia Dyer as Khloe Mills
 * Eric Johnson as Evan Bailey
 * Kristin Kreuk as Monica Butler
 * Nicholas Strong as Kenneth Ellis
 * Melissa Benoist as Sharon Ford
 * Colton Haynes as Mark Kuznotsov
 * Stephen Amell as William Barnes
 * Nick Zano as Dylan Evans
 * Dacre Montgomery as Harold Fisher
 * Mackenzie Lintz as Christine Lee
 * Falk Hentschel as Jo-Sef
 * Joshua Gomez as Sean Wilson
 * Michael Rosenbaum as Martin Fisher