The three-part series starring Sean Bean and Stephen Graham will air weekly on BBC One from Sunday 6 June at 9pm, with the full series available as a boxset on BBC iPlayer once episode 1 has aired.
Time also stars Siobhan Finneran, Sue Johnston, Hannah Walters, David Calder, Nadine Marshall, Michael Socha, Aneurin Barnard, Jack McMullen and James Nelson-Joyce.
Mark Cobden (Sean Bean) is newly imprisoned, consumed by guilt for his crime, and way out of his depth in the volatile world of prison life. He meets Eric McNally (Stephen Graham), an excellent prison officer doing his best to protect those in his charge. However, when one of the most dangerous inmates identifies his weakness, Eric faces an impossible choice; between his principles and his family.
Sean Bean and Stephen Graham star as two men on the edge in this emotional and thrilling portrayal of life in a British prison. What does it take to survive?
Time begins Sunday 6th June at 9pm on BBC One.