In 2014, McLynn played the part of Evelyn in "Kiss for the Camera", a series three episode of the BBC comedy Pramface. On 12 May 2014, McLynn joined the cast of "EastEnders" as Yvonne Cotton, the mother of Charlie Cotton (Declan Bennett) and ex-daughter-in-law of Dot Branning (June Brown). After starting as a recurring character, McLynn quickly became a regular when her character's storylines escalated. She made her final appearance on 13 January 2015, at the end of her contract. However, McLynn returned to the soap opera on 14 May 2015 for one single episode to give evidence against Dot during Nick Cotton's (John Altman) murder trial.