Tiana Opium Benjamin (born 5th October 1984 in Enfield, North London) is an English actress who portrayed Chelsea Fox in EastEnders from May 2006 to August 2010. She also starred in EastEnders: E20.
Benjamin trained at the Anna Scher Theatre in London.
Benjamin briefly appeared in the film Harry Potter and The Goblet of Fire as Angelina Johnson. She did not reprise the role in Order of the Phoenix due to conflicting schedules with the filming of EastEnders, but voiced the character for the video game adaptation. Her decision to leave EastEnders was announced on 2nd April 2010. In 2016, Benjamin starred as Bryony in The Dumping Ground.