Rebecca Ryan was born on April 27, 1991, in Manchester. She is an actress known for playing Debbie Gallagher in the UK version of Shameless. At the end of Series 6, Ryan left the show to pursue other projects.
Ryan has appeared in various television series, including State of Play, in which she played opposite her brother Charlie Ryan, Holby City and the CBBC show, Stupid!. In February 2006, she appeared in Emmerdale, playing Bob Hope's daughter, Carly Hope. In 2007, she played the title character in the award-winning radio play Abigail Adasm. She made her stage debut in Scarborough by Fiona Evans at London's Royal Court Theatre in 2008.
She also appeared on Celebrity Big Brother 2009 as part of a task and in a May 2009 episode of Casualty. From 2009 to 2011, she appeared as student Vicki MacDonald in BBC drama series, Waterloo Road, alongside Linzey Cocker, who plays Jess Fisher. In January 2010, she played the part of Ellie McCall in a special five-part storyline in BBC daytime soap Doctors.
In May 2011, she played Maeve Summers in an episode of Casualty. In February 2011, Ryan appeared in Let's Dance for Comic Relief with fellow Waterloo Road star, Philip Martin Brown, who plays the role of a teacher in the show. They danced to It's Like That by Run-D.M.C. and Jason Nevins.