Also featured in the released stills from the upcoming season, premiering weekly from September, are Kristin Scott Thomas, Tom Brooke, Aimee-Ffion Edwards, Lenny Rush and Christopher Chung.
Source: [Hollywood Reporter](https://www.hollywoodreporter.com/tv/tv-news/slow-horses-season-6-apple-gary-oldman-jack-lowden-photos-1236619292/)