From 2012 to 2015 he starred as Nathan in the TV series 4 O’Clock Club. In 2016 he starred as Johnny in the series Brief Encounters. As a rapper Brown has released the albums Poisonous Poetry (with Poisonous Poets) in 2003, Citizen Smith: Volume One in 2004, The Document in 2005, Citizen Smith: Volume Two in 2006, and Another Way in 2008. He also authored the picture book I Am Bear in 2016. In 2017, he played the role of Dom Johnson on the Netflix movie “Life on the Road” which co-starred Ricky Gervais as David Brent, his famous role from The Office.