Guest Stars Ted Levine as Chief Thomas Byrnes Martin McCreadie as Captain Doyle David Wilmot as Capt. Connor Jefferson White as Lincoln Steffens Antonio Magro as Paul Kelly Nicolas Bro as Jacob Riis Falk Hentschel as Biff Ellison Freddie Stewart as Nick Oldham Emanuela Postaccini as Flora Jack Kesy as Henry Wolff Co Starring Oliver Cater as Rosie Dominic Boyle as Maxie Harvey Weedon as Paresis Hall Boy #1 Roland Miskey as Ezra Jamie Kaye as Sally Eugenia Caruso as Mrs. Santorelli Tate Pitchie-Cooper as Ali Ibn-Ghazi / Fatima Lewin Lloyd as Beansie Aldo Maland as Paresis Hall Boy #2 Nicolo Borgatti as Giorgio Santorelli / Gloria Jacqueline Defferary as Tessie Luke Walker as Paresis Hall Boy #7 Clare Calbraith as Mrs. Zweig Michael Jibson as Dr. Fuller Maria Teresa Creasey as Ezra's Mother Jed O'Hagan as Razor Riley John Connors as Roundsman Gillooly Joe Bone as Police Clerk Jacob James Beswick as Young Roundsman Isabelle de Hertogh as Two-Ton Annie Andy Gathergood as Ezra's Father