Suggestions by @phoenix88

JJ Feild

as Seymour/Marcel Tarranova in City of Terror: Strings of Darkness - Season 4

Freddie Thorp

as Boba Stone in City of Terror: Strings of Darkness - Season 4

Ciarán Griffiths

as William J. Lewis in City of Terror: Strings of Darkness - Season 4

mgk

as Thomas "Tom" Cassell in City of Terror: Strings of Darkness - Season 4

Goran Višnjić

as Detective Tapp in City of Terror: Strings of Darkness - Season 4

Alexander Ludwig

as Jeremy Dooley/The Puppeteer in City of Terror: Strings of Darkness - Season 4

JR Bourne

as Warden Kael Soze in City of Terror: Strings of Darkness - Season 4

Alisha Boe

as Ceira "Bozey" Bozington in City of Terror: Strings of Darkness - Season 4

Gillian Anderson

as Dr. Torah Andrews in City of Terror: Strings of Darkness - Season 4

Julian Kostov

as Vasily Sazkaljovich in City of Terror: Strings of Darkness - Season 4

Brenda Strong

as Alexandra Black in City of Terror: Strings of Darkness - Season 4

Josef Altin

as Theo Thatt in City of Terror: Strings of Darkness - Season 4

Dylan Minnette

as Silas Black in City of Terror: Strings of Darkness - Season 4

Brant Daugherty

as Adrian Pattillo in City of Terror: Strings of Darkness - Season 4

Isaac Cole Powell

as Jack Manifold in City of Terror: Strings of Darkness - Season 4

Harry Styles

as Peter Shufflebottom in City of Terror: Strings of Darkness - Season 4

Dylan O'Brien

as Julian Pred/The Puppeteer in City of Terror: Strings of Darkness - Season 4

Matvey Zubalevich

as Sergei Vladimirovich Lazarov in City of Terror: Strings of Darkness - Season 4

James Patrick Stuart

as Commissioner Jack Pattillo in City of Terror: Strings of Darkness - Season 4

Sasha Pieterse

as Lana Tate in City of Terror: Strings of Darkness - Season 4