13 of 17:
Helio Castroneves - the Brazilian auto racing driver won the fifth season in 2007. He competes in the North American Indy Car Series racing competition and returned for his 13th season with Team Penske in 2012.
He will return for the 15th season of the reality dancing competitions, 'Dancing With The Stars: All-Stars,' which is slated to premiere on Monday, September 24 at 8 p.m. ET/PT on ABC.
(Pictured: Helio Castroneves appears in a still from the 2007 season 5 of 'Dancing With The Stars.')
(ABC Photo/ CAROL KAELSON)