Longford

A devout, reform-minded peer who relentlessly campaigns for Hindley's parole, driven by a belief in redemption and the possibility of change. His faith-based conviction clashes with widespread public anger and political caution, testing his marriage and public image as the campaign becomes a national controversy. His persistence strains his relationships while he navigates the scrutiny of state, church and media.

A prisoner who seeks books and contact with Brady, appearing capable of manipulation while maintaining a restrained, enigmatic demeanor. The film questions whether she is truly reformed or merely acting to secure parole, highlighting the ambiguity of rehabilitation. Her interactions with Longford reveal a complex interplay between guilt, self-preservation, and faith.

The Moors murderer whose correspondence with Hindley and insistence on his own culpability frame the moral debate. He argues that Hindley remains dangerous, complicating Longford's belief in rehabilitation and exposing the coercive dynamics of criminal partnerships. His presence in the story underscores the persistence of danger and the limits of forgiveness.

Prime Minister during the late 1960s who represents the political backdrop against which Longford's campaign unfolds. His era marks the evolving balance between social reform and public protection in Britain.

Longford's wife, whose support wavers under media scrutiny and family concern. She embodies the personal cost of public conviction and the clash between private faith and public duty.

Home Secretary during the campaign era, representing political resistance and the state’s caution in parole decisions. His responses mirror the tension between justice, public safety, and reform.

The radio host who hosts the 1987 call-in program, signaling the era’s media dynamism and how public voices shape policy and perception of the Hindley-Brady case. He guides the audience into a charged dialogue that tests Longford's resolve.