Cillian Murphy Thomas Shelby Actor Helen McCrory Polly Gray Actor Paul Anderson Arthur Shelby Actor Annabelle Wallis Grace Shelby Actor Sophie Rundle Ada Shelby Actor Joe Cole John Shelby Actor Finn Cole Michael Gray Actor Ned Dennehy Charlie Strong Actor Natasha O'Keeffe Lizzie Stark Actor Aimee-Ffion Edwards Esme Shelby Actor Gaite Jansen Tatiana Petrovna Actor Alexander Siddig Ruben Oliver Actor Benjamin Zephaniah Jeremiah Jesus Actor Packy Lee Johnny Dogs Actor Branwell Donaghey UVF Hardman 1 Actor Brendan Gibson UVF Hardman , Undercover Officer Actor Richard Dillane General Curran Actor Ian Peck Curly Actor Anna Wilson-Hall Wedding Lady 1 Actor Sara Beasley Wedding Lady 2 Actor Jordan Bolger Isiah Jesus Actor Harry Kirton Finn Shelby Actor Richard Brake Anton Kaledin Actor Stephanie Hyam Charlotte Murray Actor Timothy Harker Officer 1 Actor Kate Phillips Linda Shelby Actor Wendy Nottingham Mary Actor Tony Pitts Inspector Moss Actor Billy Marwood Charles Shelby Actor George Gwyther Karl Shelby Actor Steven Knight Writer Tim Mielants Director Simon Maloney Producer