Paul Rudd joining Perks of Being a Wallflower cast?

Production Weekly has updated with some new info. Paul Rudd is mentioned for a role in PoBWF. This doens't mean he has been cast for a role.

THE PERKS OF BEING A WALLFLOWER” Feature Film MR. MUDD STATUS: May 10 LOCATION: Pittsburgh PRODUCER: John Malkovich - Lianne Halfon - Russell Smith WRITER/DIRECTOR: Stephen Chbosky LP: Jim Powers CAST: Emma Watson - Logan Lerman SUMMIT ENTERTAINMENT LLC Charlie (Lerman) is a shy 15 year old boy, entering the daunting and exciting world of high school in Pittsburgh, PA. Still struggling with his best friends recent suicide, he is a wallflower who longs to step out of his shell. When Charlie meets the coolest group of outcasts in school, lead by Patrick and his impossibly beautiful stepsister Sam (Watson), they take Charlie under their wing and welcome him onto the Island of Misfit Toys Charlie begins an exciting adventure of adolescence with his first love, first kiss, first drive with his best friends, and yes... first pot brownie. All set to the best mix tape and the Rocky Horror Picture Show. Charlie learns to face his haunting past, as his love for Sam and his family of friends inspire him to finally step out of his shell and embrace his infinite life. Based on the novel by Stephen Chbosky. (Paul Rudd mentioned for a role.)

Also Emma's costar Logan Lerman is doing news rounds for 3M. He confirmed he is shooting PoBWF in the next month.