Rhodri Rhys: Is a Welsh stand up comedian who abandoned a successful career as a chartered surveyor to tell jokes.
\nPaul Pirie: Is a Scottish comedian who abandoned an acting career in 2006 to focus on making people laugh. He is the star of Ikea's comedy-themed 2011 television advertisement.
\nAva Vidal: Was a teenage mum, and earned a living as a prison officer, before turning to stand-up after being inspired by watching Chris Rock. With recent appearances on Mock The Week, she's a promising, and still relatively new, stand-up, making waves with her strong, assured performances.