Which actor plays August Walker in Mission: Impossible – Fallout?

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Which actor plays August Walker in Mission: Impossible – Fallout? Henry Cavill plays August Walker.

Walker is introduced as a CIA operative assigned to work with Ethan Hunt after the theft of three plutonium cores. He is presented as a highly capable but distrustful government agent, creating tension with Hunt and the IMF team.

Henry Cavill was already internationally known for playing Superman in Man of Steel and later DC films. Fallout gave him one of his most recognizable non-superhero roles, helped by the character’s distinctive mustache and the film’s close-quarters fight scenes.

A common mix-up is confusing Cavill with Sean Harris, who plays Solomon Lane, or Alec Baldwin, who plays IMF Secretary Alan Hunley. Walker’s true identity and motives become central to the film’s final act.

Source: Wikipedia · fact-checked Sept. 2026

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