Slow Horses returns for season 6 next month , and the new trailer reveals that two major characters are returning to the show—one of which was believed dead.
Slow Horses season 6 premieres Wednesday, September 16 with one episode, followed by weekly releases through October 21. Apple shared the trailer for Slow Horses season 6 today, and it reveals a pair of noteworthy returning characters. Here’s the trailer : As the trailer reveals, season 6 looks set to bring back several former Slough House members. She was presumed dead after season 1. Another big returning star is Hugo Weaving, a major villain in season 4 who we previously learned has a lot of significance to River Cartwright.
One of them has been absent from the show since its first season, when they were believed killed off.
The most surprising, seen at the end of the trailer, is Olivia Cooke ( House of the Dragon ) reprising her role as Sidonie “Sid” Baker.
