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Diary of a Mad Man is a darkly comic one-man drama tracing the psychological collapse of a corporate worker whose status craving mutates into obsession. Adapted from Nikolai Gogol and relocated to contemporary Ireland, the play immerses us inside a mind where professional failure breeds paranoia, rage and terrifying logic. Consumed by race, hierarchy and fixation on his CEO’s daughter, his inner voice grows seductive, persuasive and lethal. As reality fractures, the audience becomes trapped inside his reasoning, forced to confront how ambition corrodes identity and madness feels disturbingly…
This is an archived listing from the 2026 Edinburgh Festival Fringe. Diary of a Mad Man is by Mark McAuley, listed under Theatre in the Fringe programme. It plays at Assembly Roxy, 2 Roxburgh Place, EH8 9SU, 5 August to 31 August.
The show runs 60 minutes and is suitable for ages 16+. Tickets from £8.50. Content warnings: Distressing or triggering themes and Strong language.