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“Inception,” director Christopher Nolan’s follow-up to “The Dark Knight,” has found its lead actor.

According to The Hollywood Reporter, Leonardo DiCaprio is set to star in the movie, which is described as “a contemporary sci-fi thriller set within the architecture of the mind.”

Ellen Page is also rumoured to be joining the cast, MTV reports.

Filming is set to begin this summer for a 2010 release.

Nolan’s directing credits included “Memento,” “Insomnia,” “The Prestige” and, of course, the two Batman movies, beginning with 2005’s “Batman Begins.”

DiCaprio most recently starred in the marital drama “Revolutionary Road” alongside “Titanic” co-star Kate Winslet.

He will next appear in “Shutter,” which reunites the actor with his “Gangs of New York” and “The Departed” director Martin Scorsese.

Could Cher be the newest addition to the Batman franchise?

The UK Telegraph reports that the singer is in talks to star as Catwoman in the upcoming sequel.

“Cher is Nolan’s first choice to play Catwoman,” said an unnamed studio exec. “He wants to her to portray her like a vamp in her twilight years. The new Catwoman will be the absolute opposite of Michelle Pfeiffer and Halle Berry’s purring creations.”

Johnny Depp is also reportedly being signed on as the Riddler for the sequal, tentatively titled “The Caped Crusader.” It should begin filming early next year in Vancouver.

“The Dark Knight” is expected to gross $530 million.