Complex sentence: Playing the slave boy Ngo, child actor Brinsley Forde was used, who went on to become famous as a member of 1980s reggae pop group, Aswad.
Split into simpler sentences: Playing the slave boy Ngo, child actor Brinsley Forde was cast. Forde later became more famous as a member of 1980s reggae pop group, Aswad.