Nolan's previous reality TV appearances include spots on Celebrity Fit Club and Dancing On Ice.
Other celebrities rumoured to be taking part include Duane Chapman aka Dog the Bounty Hunter, former EastEnders actress Cheryl Fergison, Sex, Lies And Rinsing Guys documentary star Danica Thrall, So Solid Crew's MC Harvey, Simon Cowell's ex Jasmine Lennard, comic Julian Clary and Corrie icon Julie Goodyear.
Celebrity Big Brother launches on Wednesday, August 15 at 9pm on Channel 5.
The Celebrity run will last 23 days.
Watch Brian Dowling talking about Celebrity Big Brother below: