Andrew Knott (Lockwood), Clive Merrison (Headmaster), Dominic Cooper (Dakin), Frances de la Tour (Mrs. Lintott), James Corden (Timms), Jamie Parker (Scripps), Richard Griffiths (Hector), Russell Tovey (Rudge), Sacha Dhawan (Akthar), Samuel Anderson (Crowther), Samuel Barnett (Posner), Stephen Campbell Moore (Irwin)