katie louise mcglynn (born 16 july 1993 in rochdale, greater manchester) is an english actress. she is best known for her roles as troubled pupil jodie "scout" allen in the bbc one school-based drama series "waterloo road" from 2011 to 2013 and sinead tinker in the long-running itv soap opera "coronation street" from 2013 to 2020. between 2021 and 2022, she has appeared as becky quentin in the channel 4 soap opera "hollyoaks".