Nabil made his acting debut in an episode of the BBC medical drama series Casualty in 1998. He went on to have roles in several television series such as Attachments, Only Fools and Horses and In This World. He also appeared in films such as Ali G Indahouse (2002) and The Sum of All Fears (2002). In 2003 he won the role of Tariq Larousi in the BBC soap opera EastEnders. In 2005 he was axed from the soap after his character along with his on-screen family The Ferreiras proved to be unpopular with audiences.
Since leaving EastEnders he has appeared in Holby City and has played real-life terrorist Ramzi Yousef in the television mini-series The Path to 9/11. In 2008 he played Meesh, a Kuwaiti translator, in HBO's Generation Kill.
