Michael John "Mick" Underwood (born 5 September 1945) is a British drummer. He first played drums at the age of 14 and was a professional musician by the time he left school. Underwood has collaborated with a number of notable musicians and groups, including Jet Harris, The Outlaws (with Ritchie Blackmore), The Herd (with Peter Frampton), Episode Six (with Ian Gillan and Roger Glover), Quatermass (with John Gustafson) and Gillan (again with Gillan).