Christopher Biggins made his screen debut in the British television comedy series ‘Doctor at Large’ in 1971. That same year, he also joined the cast of another television comedy series ‘The Fenn Street Gang,’ created by John Esmonde and Bob Larbey. He starred in 2 episodes and remained on the show until 1972. Biggins made his first big-screen appearance in the 1973 comedy film ‘The Sex Thief,’ directed by Martin Campbell. The film has a 4.6 out of 10 rating on IMDb. In 1974, he became a part of the British sitcom ‘Porridge’ as ‘Lukewarm.’ The series ran for 3 seasons and aired its final episode in 1977. Also in 1974, he joined the cast of the BBC children's television series ‘Jackanory,’ created by Joy Whitby. He remained a part of the show until 1985. Biggins continued to appear in television series and films such as ‘Eskimo Nell’ (1975), ‘The Girls of Slender Means’ (1975), ‘The Rocky Horror Picture Show’ (1975), ‘The Flight of the Heron’ (1976), ‘It Could Happen to You’ (1976), ‘Doctor on the Go’ (1977), ‘Poldark’ (1977), ‘Last Touch of Love’ (1978), ‘Kidnapped’ (1978), and ‘Murder at the Wedding’ (1979).
In 1979, he starred as ‘Stephano’ in the Derek Jarman-directed film ‘The Tempest.’ The film was based on William Shakespeare's play of the same name and received a positive response from critics. It currently holds an 80% approval rating on Rotten Tomatoes. He was next seen in films and television shows such as ‘Watch This Space’ (1980), ‘Brendon Chase’ (1980-1981), ‘Bognor’ (1981), ‘Dark Towers’ (1981), ‘BBC Play of the Month’ (1982-1983), ‘Aladdin and the Forty Thieves’ (1984), ‘Christmas Night of One Hundred Stars’ (1986), ‘The Gemini Factor’ (1987), ‘Motormouth’ (1990), and ‘Woof!’ (1991), ‘Cluedo’ (1992), and ‘Decadence’ (1994). In 1994, he appeared in the television comedy film ‘Zig & Zag: Entertainment Cops,’ directed by Andrew Margetson. The film holds a 6.4 out of 10 rating on IMDb. He continued to star in television series and films such as ‘French and Saunders’ (1995), ‘Julia Jekyll and Harriet Hyde’ (1996), ‘The Phoenix and the Carpet’ (1997), ‘Operation Good Guys’ (1998), and ‘Mike & Angelo’ (1998). He next portrayed ‘Arnie’ in the 2000 British/American neo-noir crime film ‘Circus.’ directed by Rob Walker. The film has a 9% approval rating on Rotten Tomatoes.
Biggins went on to star in films and television series like ‘Victoria Died in 1901 and Is Still Alive Today’ (2001), ‘Cold Fish’ (2001), ‘Meades Eats’ (2003), ‘Life Beyond the Box: Norman Stanley Fletcher’ (2003), ‘Revelations’ (2005), ‘A Bucket o' French & Saunders’ (2007), ‘Psychoville’ (2009-2011), and ‘Mongrels’ (2010). In 2012, he starred as ‘Bobby Franklin’ in the British comedy film ‘Run for Your Wife,’ directed by Ray Cooney and John Luton. The film was marred by negative reviews from critics and currently sits on a 0% approval rating on Rotten Tomatoes. He continued to star in films and television shows like ‘Hoff the Record’ (2015), ‘Absolutely Fabulous: The Movie’ (2016), ‘Walliams & Friend’ (2016), ‘Who Shot Simon Cowell?’ (2017), ‘Plebs’ (2019), and ‘Saturday Knight Takeaway’ (2021). He last appeared on the television talk show ‘Tonight LIVE with Mark Dolan’ in 2022.