Who is Alon Aboutboul? He is an Israeli actor who has appeared in small roles, in films such as Body of Lies, Munich, and Rambo III. He has also played a continuing character on the hit ABC series Castle.
The news of Alon Aboutboul joining the The Dark Knight Rises cast comes from an Israeli site. The actor's wife confirmed the news on Twitter. While his character's identity is not known at this point, Alon Aboutboul is said to be one of the sequel's main villains, playing a "particularly evil mad scientist".
Expect this news to be confirmed by a more reliable source in the very near future.