The Syndicate Main cast, played by Kieran Urquhart Episode 4x01: Episode 1 (Mar 30, 2021) Episode 4x02: Episode 2 (Apr 6, 2021) Episode 4x03: Episode 3 (Apr 13, 2021) Episode 4x04: Episode 4 (Apr 20, 2021) Episode 4x05: Episode 5 (Apr 27, 2021) Episode 4x06: Episode 6 (May 4, 2021)