The 12 celebrities who learn about stock-car racing in the summer TV series “Fast Cars and Superstars – the Gillette Young Guns Celebrity Race”:

Actress Krista Allen; former Pittsburgh Steelers coach Bill Cowher; pro wrestler John Cena; former Denver Broncos quarterback John Elway; surfer Laird Hamilton; skateboarder Tony Hawk; singer/songwriter Jewel; rodeo champion Ty Murray; pro volleyball player and model Gabrielle Reece; former NBA player and TV host John Salley; actor William Shatner; pro tennis player Serena Williams.

Source: ABC