Back in July, an unconfirmed rumor surfaced that Liam Neeson had been spotted on The Dark Knight Rises set, filming a scene as Ra's Al Ghul.

Liam Neeson has commented on these rumors, confirming that he was on set. But it is still unclear if he was reprising his Batman Begins role for the film, or simply visiting.

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Here's what he had to say below.

"I can tell you nothing about Dark Knight Rises, seriously. I was on set for maybe an hour-and-a-half and the director didn't tell me anything of what it's about. So, I'm being very honest when I say I have no idea what's going to happen."

There was speculation that Ra's Al Ghul may either appear in a flashback scene, or in present day, despite his death in Batman Begins. Back in May, aerial photos arrived from the India set, which showed us what may be the Lazarus Pits.

It still isn't known how, or if, Ra's Al Ghul fits into the story line of The Dark Knight Rises, but since he spent such a small amount of time on the set, it seems to be nothing more than a cameo appearance, if that.