Alexander Tulloch Alex Macqueen is an English actor. He has appeared on television, film and radio in the UK in productions such as Holby City, Hut 33, Peep Show, The Thick of It, Keeping Mum, and The Inbetweeners.
Macqueen was born in Epsom, Surrey. He is perhaps best known for his recurring role as sarcastic consultant anaesthetist Keith Greene, appearing in 75 episodes of Holby City between May 2005 and July 2010. He appeared in The Thick of It as Julius Nicholson. Macqueen appeared as Kevin Sutherland in E4s comedy, The Inbetweeners and as Howard, an antispeed bump community campaigner in two episodes of BBC1s Outnumbered. He has been in TV advertisements for Specsavers, Dell, and Utterly Butterly.
Source: Wikipedia