The second series of the British spy drama television series Spooks (known as MI-5 in the United States) began broadcasting on 2 June 2003 on BBC One, ending on 11 August 2003. It consists of ten episodes. Spooks centres on the actions of Section D, a counter-terrorism division of the British Security Service (MI5). Matthew Macfadyen, Keeley Hawes, David Oyelowo, Peter Firth, Hugh Simon, Shauna Macdonald, Rory MacGregor, Natasha Little, Nicola Walker, Megan Dodds, Jenny Agutter and Enzo Cilenti are listed as the main cast.