CANNES — Brittany Murphy is toplining “The Ramen Girl” with Japanese thesp Toshiyuki Nishida, which Media 8 Entertainment is producing and distribbing.Robert Allan Ackerman directs from a script by Becca Topol. Media 8 is selling international rights to the pic at the Cannes market this week. Pic is the story of an American woman (Murphy) who’s stranded in Tokyo after breaking up with her boyfriend. Searching for direction in life, she trains to be a ramen noodle chef under a tyrannical Japanese master (Nishida). Producing with Media 8 are Ackerman and Murphy.