Slow Horses is back for its fourth season, so here is everyone joining the party.
The first episode of Season 4 aired on September 4.
The rest of the episodes will air weekly, culminating in the finale on October 9.
On the surface, Jackson comes off as dirty, unkept, and constantly drunk.
Lowden has roles inDunkirk,The Gold,The Long Song, and more.
She often uses Slough House as a tool to further her career.
Thomas also delivers notable performances inThe English Patient,Only God Forgives,Four Weddings and a Funeral.
Jonathan Pryce - David Cartwright
Jonathan Pryce plays David Cartwright, River’s grandfather.
He is a retired senior MI5 officer, though his path still often crosses with those at Slough House.
Pryce played Prince Philip, Duke of Edinburgh, inThe Crownand Mike Evans in3 Body Problem.
Reeves previously played DSU Rose Teller in the fan-favorite seriesLutherand even appeared in three episodes of the 2000Dunetelevision series.
She fell into their lap after a tailing operation she led ended poorly.
Some of Eleazar’s previous works includeHarlots,Deep Water,Class of ‘09, and more.
She also happens to be a cocaine addict, so that didn’t help things either.
Thankfully, she’s worked to clean things up a little.
Many fans will likely recognize Edwards from her time as Esme Shelby onPeaky Blinders.
Reportedly, Roddy Ho was fired by MI5 for his IT skills being “too good.”
Chung can previously be seen inWaterloo Roadandoffers his voice talents to thePlayStationvideo gameHorizon Forbidden West.
Despite that, hes still an invaluable member of the Slough House.
Kirwan can also be seen inThis Is Going to Hurt,This Way Up, andDodo.
Some of Scanlan’s previous works includeThe Larkins,Boat Story, andWicked Little Letters.
Before joining the Slough House crew, he was a former operative from Psych Eval.
Brooke played Fiore inPreacher, Bill Wiggins inSherlock, and Andy Apsted inBodyguard.
He will be Season 4’s antagonist.
Many will know Weaving from his performance as Elrond inThe Lord of the Ringsseries.
He has also appeared inThe Royal Hotel,Love Me,Expired, and more.
Audiences can also see Flyte’s performance in projects such asTed Lasso,Guilt, andThe Gold.
James Callis - Claude Whelan
James Callis' Claude Whelan is another new addition toSlow HorsesSeason 4.
Claude is the recently promoted Director General of MI5 but may be out of his depth.
Callis is best known for his roleas Dr. Gaius Baltar onBattlestar Galactica.
His other works includeCastlevania,Star Trek: Picard, andBlood & Treasure.
Sam worked for MI5 and has since become a private intelligence contractor.
Glider recently starred in thehorrorfilmStarve Acreand has also appeared inShadow and Bone,The Gold, andSherwood.
Leroy Kincaide - Bread Dog
Leroy Kincaide will play a Bread Dog inSlow HorsesSeason 4.
Kincaide has minor roles inBlack Mirror,Gangs of London,Tom Clancy’s Jack Ryan, and more.
Slow Horsesis streaming on Apple TV+.
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