Matthew Macfadyen Delivers a Chilling Turn as Assassin in “Death by Lightning”

The talented actor Matthew Macfadyen steps into the unsettling role of Charles J. Guiteau in the upcoming four-part series Death by Lightning, set to premiere on Netflix on November 6, 2025. This gripping story revolves around the short presidency of James A. Garfield and the tragic assassination carried out by Guiteau in 1881—a crime made even more heartbreaking by the inadequate medical care that followed.

Macfadyen’s portrayal of Guiteau is particularly striking, capturing him as a deluded opportunist—a man who believed he was owed a political reward that never came, fueled by resentment and mental instability. Critics have noted that his interpretation of the assassin blends elements of dark comedy with a tragic depth, creating a stark contrast to Michael Shannon’s more grounded representation of Garfield.

Garfield, who served as the 20th President of the United States, was shot just months into his presidency by Guiteau at Washington’s Baltimore and Potomac station. While the bullet itself didn’t directly cause his death, Garfield ultimately fell victim to infection and medical mismanagement, passing away 79 days later.

This series draws inspiration from Candice Millard’s book Destiny of the Republic, which explores the dramatic intersection of politics, medicine, and mental health.

Unlike many historical dramas that tend to soften or alter the facts, this production has been commended for staying true to the core truths—such as Guiteau’s motivations, Garfield’s reformist goals, and the significant impact on civil-service policy.

That being said, the show takes some stylistic liberties: it blends modern dialogue and visual elements, giving it a fresh vibe even though it’s set in the 19th century.

For Macfadyen, this role is a significant shift from his usual polished screen presence, diving into a character that’s deeply troubled, marked by resentment and delusion. It really opens up a new chapter in his career. For both viewers and historians, Death by Lightning serves as a poignant reminder of how a nearly forgotten presidency—and one of the nation’s most bizarre assassinations—played a crucial role in shaping American government reform, the effects of which are still felt today.

Ultimately, while Garfield’s presidency was tragically cut short, the series implies that his vision and potential continued to resonate—transforming Guiteau’s act from a mere footnote into a pivotal moment worth revisiting.

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