The Irish R.M. The Irish R.M. refers to a series of books by the Anglo-Irish novelists Somerville and Ross, and the television comedy-drama series based on them. They are set in turn of the 20th century west of Ireland. Details Casts Season Lists Title The Irish R.M. Genres Drama Comedy First Air Date 1983-01-06 Last Air Date 1985-07-06 Episode Runtime 00 Hours 50 Minutes Total Season(s) 3 Total Episode(s) on All Seasons 18 Runtime 50 Production Companies Rediffusion, RTÉ, Channel 4 Television, Little Bird, UTV Bryan Murray Peter Bowles Anna Manahan Doran Godwin Niall Tóibín Faith Brook Jonathan Ryan Brendan Conroy Joe Lynch Season 1 6 Episodes 1983-01-06 Season 2 6 Episodes 1984-07-12 Season 3 6 Episodes 1985-06-02