Jason Manford first appeared in the BBC television drama series ‘Cutting It’ in 2005. That same year, he joined the British television chat show ‘Richard & Judy’ presented by Richard Madeley and Judy Finnigan. He remained a part of the show until 2006. He next starred in television series and shows such as ‘100 Greatest Funny Moments’ (2006), ‘Modern Worries’ (2006), ‘Shuffle’ (2007), ‘Premier League All Stars Extra Time’ (2007), and ‘Shameless’ (2007). In 2007, he became a part of the British stand-up comedy program ‘Live at the Apollo.’ He starred in 5 episodes and parted ways from the show in 2014. Also in 2007, Manford joined the British comedy panel show ‘8 Out of 10 Cats’ presented by Jimmy Carr. He stayed on the show for 6 seasons before taking his exit in 2010. He was next seen in television series and shows in ‘Tonightly’ (2008), ‘As Seen on TV’ (2009), ‘Walk on the Wild Side’ (2009-2010), ‘Comedy Rocks with Jason Manford’ (2010-2011), ‘Odd One In’ (2010-2011), ‘Born to Shine’ (2011), ‘Show Me the Funny’ (2011), ‘A Funny Old Year’ (2012-2014), ‘A Question of Sport: Super Saturday’ (2014), ‘Ordinary Lies’ (2015), ‘The Nightly Show’ (2017), and ‘Benidorm’ (2017).
In 2017, he joined the voice cast of the British children's animated series ‘Daisy & Ollie’ created by Cosgrove Hall Fitzpatrick and Hoopla Animation. The fifth season of the series premiered in May 2022. He next appeared in television shows like ‘Twirlywoos’ (2017), ‘What Would Your Kid Do?’ (2018), ‘Scarborough’ (2019), and ‘First & Last’ (2020). In 2020, Manford made his big-screen debut in the musical comedy film ‘Curtains’ directed by Paul Foster. The following year, he appeared in many television series and shows including ‘Murder, They Hope,’ ‘Death in Paradise,’ and ‘8 Out of 10 Cats Does Countdown: Christmas Special 2021.’ He was last seen in the television program ‘The National Lottery's Big Jubilee Street Party’ in 2022.