Bryan Elsley Creator Jamie Brittain Creator Nicholas Hoult Actor Joe Dempsie Actor Mike Bailey Actor Hannah Murray Actor April Pearson Actor Larissa Wilson Actor Dev Patel Actor Mitch Hewer Actor Kaya Scodelario Actor Siwan Morris Actor Josie Lawrence Guest Star Peter Capaldi Guest Star Robert Wilfort Guest Star Georgina Moffat Actor Ray Gardner Middle Class Dad Guest Star Millicent Rendall Char Guest Star Emma Harris Shall Guest Star Kate Morris Tracey Guest Star Emma Ongar Leanna Guest Star Robert Latham The Bristol Schools Chamber Choir Choirmaster Guest Star Minkie Spiro Director Charles Pattinson Executive Producer George Faber Executive Producer