in The Royle Family. She played Janet Keogh in the long-running series Two Pints of Lager and a Packet of Crisps from 2001 until 2009. In February 2003, she appeared in "Immediate Care", an episode of The Royal, where she played the part of Francesca Wheeler, a teenage girl who was suffering from leukaemia. In 2004, she made a one-episode appearance in Mile High as Suzy, an airport cleaner who impersonates a flight attendant in an attempt to become cabin crew. She also featured in The Comic Strips 2005 episode "Sex Actually" as Angie. Smith played Cleo Martin in Love Soup (2005) and starred as Michelle, a hypocritical nutritionist, in three series of the sitcom Grownups (2006–2009). She has also appeared on The Lenny Henry Show as M.E. Westmocott, a role spoofing the various medical examiners on CSI. In the 2009 Two Pints of Lager Comic Relief special, which crossed over with Grownups, she played her characters from both series. Smith has also appeared in a number of other shows including the BBC's Eyes Down, in which she played Sandy, and smaller parts in shows such as The Bill and Fat Friends. She featured as Rudi, Smithy's little sister, in the second and third series of the BBC Three sitcom Gavin & Stacey. She guest starred in the Christmas 2008 episode of Lark Rise to Candleford. Since 2009, she has played Joey Ross in special seasonal episodes of Jonathan Creek, namely "The Grinning Man" (2009), "The Judas Tree" (2010), and "The Clue of the Savant's Thumb" (2013). She played Brandy in the third series of Benidorm. During 2010, Smith acted as a mentor to the contestants of the BBC show Over the Rainbow. Sky Arts' Chekhov Comedy Shorts also featured Smith in 2010 when she starred as Natasha in The Proposal. She appeared in the 2011 film Hysteria, about the invention of the vibrator. For the factual hospital series Bizarre ER, she took over narration duties from Freema Agyeman. She appeared in the 2012 ITV film adaptation of Daphne du Maurier's novel The Scapegoat. In September 2012 Smith played the title role in Mrs Biggs, a five-part series on ITV. In 2013, she appeared in the Channel 4 series Dates. In January 2014, she starred in the two-part BBC drama The 7.39. In March 2014, she appeared in the ITV crime drama The Widower as the first wife of serial