Sam Claflin as Alastair in the film adaptation, 'The Riot Club', 2014 Alastair Ryle undergoes the biggest transformation in 'Posh'. Starting the play as a quiet, socially awkward undergraduate with dreams of become a Conservative MP, he is soon discovered by members of the Riot Club and given admission due to him being brother of the legendary Seb Ryle. Over the course of his first dinner with the club, Ryle slowly reveals the true extent of his Right Wing stance and his hatred of the middle class, believing that his right to act as he pleases has been snatched by a conglomerate of people who adhere to pretend to be civil and act above their "place". He soon spirals out of control, viciously beating the owner of the gastropub and being arrested for the attack. However, it is revealed that friends in high places have lead to his being all but pardoned, a wary allusion to the true power of the establishment Background Alastair is always in his brother...