Concordia er en Nordic noir-inspireret serie med blandt andre Ruth Bradley (Ted Lasso), Nanna Blondell (Black Widow, House of the Dragon), Christiane Paul (Counterpart), Steven Sowah (For Jojo), Ahd Kamel (Collateral), Hugo Becker (Gossip Girl), Kento Nakajima (Love Like The Falling Petals), Joséphine Jobert (Death In Paradise), Karoline Eichhorn (Dark), Jonas Nay (Deutschland 83), Alba Gaïa Bellugi (The Swarm), Maeve Metelka (Unorthodox) og Mohamed Achour (Liberame).