Tags: Soap Character.
Sonia Ann Fowler (previously Jackson) is a fictional character from the BBC soap opera EastEnders played by Natalie Cassidy. Her first appearance was on 2 December 1993 until 2 February 2007. She returned briefly in 2010 along with other members of the Jackson family and re-appeared in the soap from 8 to 18 February 2010. Sonia returned as a permanent character on 14 January 2014 as part of a storyline that saw her mother Carol (Lindsey Coulson) develop breast cancer.