Dee ihe ga-aga n'ihu na paragraf a - Mack buru ụzọ pụta ìhè site na mmeri "So You Think You're Funny" na 1995 Edinburgh Festival Fringe. Afọ ise ka e mesịrị na mmemme ahụ, a họpụtara ya maka onyinye Perrier
Nnukwu ihe nrite maka ihe ngosi ihe nkiri ya, "Lee Mack's New Bits", ya na Catherine Tate na Dan Antopolski. Kemgbe ahụ, Mack egosila akụkụ nke Graham, onye nche nche na ụdị redio mbụ nke "The Mighty Boosh", ma nweekwa ihe ngosi redio nke ya na BBC Radio 2 a na-akpọ "The Lee Mack Show", nke na-egosi ndị ama ama dị iche iche na-akwado ihe ngosi ahụ.