Sheridan Smith OBE is an English actress, singer, and television personality. Smith came to prominence after playing a variety of characters on sitcoms such as The Royle Family (1999–2000), Two Pints of Lager and a Packet of Crisps (2001–2009), Gavin & Stacey (2008–2010), and Benidorm (2009). She co-starred as Joey Ross in the drama series Jonathan Creek between 2009 and 2013, and went on to receive acclaim for starring in a succession of television dramas, such as Mrs Biggs (2012), Cilla (2014), The C Word (2015), Black Work (2015), The Moorside (2017), Cleaning Up (2019), and Four Lives (2022). Her film credits include Tower Block (2012), Quartet (2012), The Huntsman: Winter's War (2016), and The Railway Children Return (2022).

Gavin & Stacey is a British sitcom written by James Corden and Ruth Jones about two families: one in Billericay, Essex; one in Barry, Vale of Glamorgan. Mathew Horne and Joanna Page play the eponymous characters Gavin and Stacey, while Corden and Jones star as Smithy and Nessa. Alison Steadman and Larry Lamb star as Gavin's parents Pam and Mick, Melanie Walters plays Stacey's mother Gwen, and Rob Brydon plays Stacey's uncle Bryn.