Yes, "Fifty Dead Men Walking" is based on a true story. The film, released in 2008, is adapted from the memoir of Martin McGartland, an undercover agent for the British intelligence in Northern Ireland during the Troubles. It chronicles his infiltration of the Provisional Irish Republican Army (IRA) and the challenges he faced while trying to gather intelligence, all while risking his life. The film explores themes of loyalty, betrayal, and the complexities of the conflict.

"Fifty Dead Men Walking" is a 2008 drama-thriller based on the true story of Martin McGartland, an informant for the British intelligence in Northern Ireland during the Troubles. The film follows McGartland, portrayed by Jim Sturgess, as he infiltrates the Provisional Irish Republican Army (IRA) while grappling with the moral dilemmas of betrayal and loyalty. As he gathers intelligence, he faces constant danger, risking his life to protect his identity and ultimately save lives. The film explores themes of conflict, identity, and survival.

"Fifty Dead Men Walking" was primarily filmed in Northern Ireland, particularly in Belfast. The film, based on the memoir of British agent Martin McGartland, captures the tense atmosphere of the Troubles in the region during the late 1980s. The choice of location adds authenticity to the story, as it reflects the real-life events and conflicts depicted in the film. Additional scenes were also shot in other parts of the UK to enhance the narrative.

"Fifty Dead Men Walking" is a 2008 drama based on the true story of a British spy infiltrating the Provisional Irish Republican Army (IRA) during the Troubles in Northern Ireland. The film features strong performances, particularly from Jim Sturgess and Ben Kingsley, and provides a gritty, intense portrayal of the era. While some viewers appreciate its historical context and tension, others criticize its pacing and narrative focus. Overall, it can be compelling for those interested in political thrillers and historical dramas, but it may not appeal to everyone.