Rainie Highway is a fictional character from the BBC One soap opera EastEnders, played by Tanya Franks. Introduced as the drug-addicted sister of Tanya Branning, Franks has had three separate guest stints in 2007, 2008 and 2010 and between 12 April and 8 December 2011. Rainie returned on 16 June 2014, when she was revealed as Ian Beale's mystery phone contact, having been with Ian on Good Friday, the night of Lucy Beale's murder but departed again not long after. In January 2015, it was confirmed that Rainie would return for the conclusion of the "Who Killed Lucy Beale?" storyline. Rainie made another guest appearance on 19 January 2018 and returned full-time to the show on 24 April 2018, now married to her former brother-in-law, Max Branning. In June 2022, it was announced that Franks had left the show, with Rainie's final episode airing on 29 June 2022. She reappeared for a brief stint on 23 until 25 August 2022 to coincide with the departure of her husband Stuart Highway.

Tanya Christine Franks is an English actress. She is best known for her role as Rainie Cross in the BBC soap opera, EastEnders.