En 2009, il fait une apparition dans un épisode de Miranda, une comédie de la BBC, avec Miranda Hart.Puis il tourne de manière récurrente dans la série The Borgias dès la fin de l'année 2010 en interprétant le rôle de l'amant de Lucrèce Borgia.Skins is a British teen drama that follows the lives of a group of teenagers in Bristol, South West England, through the two years of sixth form.Its controversial story-lines have explored issues such as dysfunctional families, mental illness (such as depression, eating disorders and bipolar disorder), adolescent sexuality, gender, substance abuse, death and bullying.
Other ventures to expand the brand have included a short-lived North American remake, which aired on MTV in 2011 but was cancelled after one season after advertisers abandoned the series in response to low ratings and the significant controversy which arose over its depiction of teen sexuality.
E4's groundbreaking hormone-fest wrapped up on August 5, 2013 - with an older Cook (Jack O'Connell) heading off into an uncertain future at the close of 'Rise (Part Two)'.
Cook was but one of 27 major characters featured on - across its first two series.
Each episode generally focuses on a particular character and the struggles they face in their life.
The episodes are named after the featured character.