Movie-maker Brett Ratner is keen to turn his RUSH HOUR 3 movie into an all-star sequel after negotiating parts for his X-Men: THE LAST STAND star SIR Ian McKellen and former Seinfeld star Michael Richards. British hardman Vinnie Jones and even The Piano director Roman Polanski are reportedly considering parts in the film too, according to website The third Rush Hour movie will reteam Ratner with Jackie Chan and CHRIS TUCKER.