Rubuta ci gaba don wannan sakin layi - Mack ya fara zama sananne ta hanyar cin "Don haka Kuna tsammanin Kuna da Ban dariya" a bikin Edinburgh Festival Fringe na 1995. Shekaru biyar bayan haka a bikin, an zabi shi don kyautar Perrier
Babban Kyauta 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.