Born in East London, Kiell Smith-Bynoe has a number of small TV comedy roles before coming too prominence as Dean in Stath Lets Flats before hitting mainstream fame playing Mike in the BBC One sitcom Ghosts . He made a Channel 4 Comedy Blap sketch show called Red Flag in 2022 and was a contestant in Series 15 of Taskmaster broadcast in 2023, finishing as runner-up. He also hosted the tenth series of The Great British Sewing Bee in 2024 and is a cast member and writer on Mitchell And Webb Are Not Helping in 2025. On the live circuit he hosts an improv show called Kool Story Bro – sharing his own initials.