This year's contestants include Pop Idol star Gareth Gates, actress Laila Rouass, radio presenter Jamie Theakston and Bucks Fizz Eurovision icon Cheryl Baker.
[Celebrity MasterChef contestants 2012 - Photo Gallery]
Zoe Salmon, comic Jenny Eclair, children's TV duo Michael Underwood and Richard McCourt, and actress Emma Kennedy are also taking part.
Swimmer Steve Parry, footballer Danny Mills, George Layton, Diarmuid Gavin, Javine Hylton and cyclist Rebecca Romero complete the list.
Challenges for the celebrities will include cooking at The Royal Holloway University, Chessington World of Adventures, feeding former winners Lisa Faulkner and Phil Vickery and catering on the set of New Tricks.
Celebrity MasterChef starts on Monday, August 13 at 6.30pm on BBC Two. The show has returned to its evening slot, following complaints from fans after last year's celeb series aired on weekday afternoons.