Harry Potter star Daniel Radcliffe is all set to guest star in comedy talk show The Kumars, a follow-up to the hugely popular TV show The Kumars At No 42. The show returns to the small screen after a seven-year break and will start airing in the UK from January 15. The original show revolved around the three generations of a British Indian family. Sanjeev Bhaskar played the thirtysomething son whose parents support his dream of being a talk show host by building a TV studio onto the back of their home, reported Deadline. Celebrity guest would often visit the house for a chat with Bhaskar while his parents and grandmother offered inappropriate questions from the peanut gallery. The new series will begin with Radcliffe, Chevy Chase and Broadchurch's Olivia Colman as guests. Returning cast include Bhaskar, Vincent Ibrahim and Meera Syal.