Born in Newham, London, England, to Afro-Caribbean parents, Monero began acting when introduced to Anna Scher's theatre school in Islington in the late 1970s.
[citation needed] One of Monero's earliest roles was in the 1980s film Babylon, in which he plays the brother of Brinsley Ford's character "Blue".
During this period Monero also appeared as part of the comedy duo Shift and Zed with Gary Beadle, in Smiley Cultures Club Mix programme.
In 1991 he became the character of Steve Elliot in EastEnders, starring alongside Michelle Gayle, who played his love-interest Hattie Tavernier, until 1996.
He also played the rapping father of musician, Jal, in E4's teen drama Skins (2007), had a role in the BBC Asian Network soap opera Silver Street, and appeared in Doctor Who.