In 1982, Mick starred in the TV series "The Ballroom of Romance" alongside Brenda Fricker. From 1983 he played the role of farmer Miley Byrne in the RTÉ soap "Glenroe", reprising the character that he played earlier in the "Bracken" in 1978. In 1979, Lally won a Jacob's Award for his performance as Miley in "Bracken". Lally also had some musical success when "The By-road to Glenroe" went to the top of the Irish charts in 1990. He was also involved in voice-over work – including a noted advertisement for Kilmeaden Cheese during the 1990s. Other TV appearances included roles in "Tales of Kinvarna", "The Year of the French" and "Ballykissangel".