Kammala wannan jumla: Mack ya fara zama sananne ta hanyar lashe "Don haka Kuna tsammanin Kuna da Ban dariya" a 1995 Edinburgh Festival Fringe. Shekaru biyar bayan haka a bikin, an zabi shi don
Babban Kyautar Kyautar Perrier don wasan kwaikwayon wasan kwaikwayonsa, "Lee Mack's New Bits", tare da Catherine Tate da Dan Antopolski. Tun daga wannan lokacin, Mack ya taka rawar Graham, mai tsaron gidan rediyo na asali na "The Mighty Boosh", kuma yana da nasa shirin rediyo a BBC Radio 2 da ake kira "The Lee Mack Show", wanda ke nuna shahararrun mashahuran da ke shirya wasan kwaikwayon.