Ferguson grew up in Cumbernauld and has gone on to have an eclectic career in both the UK and the USA. During the 1980s and 1990s he appeared in several British TV shows alongside working as a comedian and in theatre. In the USA his big break came in 1994 when he was cast on `The Drew Carey Show?, which he starred in from 1996-2003. In 2004 Ferguson became the presenter of CBS?s `The Late Late Show?, a role which he still holds. Ferguson has also written and directed several films and starred in the likes of `How to Train Your Dragon? (2010) and `Kick-Ass? (2010). He was granted American citizenship in 2008.