Rupert Grint is best known for his portrayal of the redheaded, not-so-bright wizard Ron Weasley in the Harry Potter film franchise. Following in his "Harry Potter" co-star Daniel Radcliffe's footsteps, Grint now takes on Broadway. He will play the wunderkind director Frank Finger in the star-studded Terrence McNally play It's Only a Play. He joins a cast that includes Nathan Lane, Matthew Broderick, Megan Mullally, Stockard Channing and F. Murrary Abraham. His work on screen also includes "Thunderpants," "Driving Lessons" and "Cherrybomb."