Cotillard, Murphy, Page in Nolan’s Inception?

Everything interesting project I posted about yesterday sounded like an April Fools Day prank. That too-good-to-be-true feeling continues, as Marion Cotillard, Cillian Murphy, and Ellen Page appear to be close to signing up alongside Leonardo DiCaprio for Christopher Nolan’s Inception. THR has details:

In keeping with most things associated with Nolan’s project, a veil of secrecy exists over loglines, although it is described as a contemporary sci-fi actioner set within “the architecture of the mind.”

Inception begins production this summer, for a 2010 release.

However, as the casting process progresses, details are beginning to leak out. DiCaprio’s character is mentioned as a CEO-type, while Cotillard would play his wife. Page is a young college grad student and DiCaprio’s sidekick.