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Around 10,000 extras were used to shoot the Gotham Rogues scene in Heinz Field in Pittsburgh, Pennsylvania. Some of the Pittsburgh Steelers played football players: Hines Ward, Ben Roethlisberger, Troy Polamalu, Willie Colon, Maurkice Pouncey, Mike Wallace, Heath Miller, Aaron Smith, Ryan Clark, James Farrior, LaMarr Woodley, and Casey Hampton. Former Steelers coach Bill Cowher appeared as the coach. Pittsburgh Mayor Luke R. Ravenstahl played a kicker. Thomas Tull, C.E.O. of this movie's production company, Legendary Pictures, is part-owner of the Pittsburgh Steelers.
About a year before this movie's release, writer, producer, and director Sir Christopher Nolan mentioned he was considering using a mixture of CGI and deleted scenes from The Dark Knight (2008) to have the Joker appear briefly, which Bryan Singer had done to bring back Marlon Brando as Jor-El in Superman Returns (2006). Nolan ultimately decided it was disrespectful to Heath Ledger.
Writer, producer, and director Sir Christopher Nolan said that this movie's theme deals with "pain". For Batman Begins (2005), it was "fear", while The Dark Knight (2008) dealt with "chaos".
Tom Hardy, standing at 5'9", had to wear three-inch lifts to make his character Bane appear as tall, or taller than co-stars Christian Bale, Morgan Freeman, and Sir Michael Caine.
(at around 1h 28 mins) According to producers, the line "That's a lovely, lovely voice" was improvised by Tom Hardy.
Tom Hardy accepted the role of Bane without reading the script. He was verbally told that he would have unprecedented access to extensive stunt training and equipment that he could enjoy knocking around.
John Nolan: The uncle of writer, producer, and director Sir Christopher Nolan and co-writer Jonathan Nolan, as well as the father of Miranda Nolan, reprised his role from Batman Begins (2005) as Wayne Enterprises board member Douglas Fredericks. He previously appeared in Christopher Nolan's Following (1998).
Miranda Nolan: (at around 9 mins) The cousin of writer, producer, and director Sir Christopher Nolan and co-writer Jonathan Nolan appeared as the maid gossiping about Bruce Wayne.
Hines Ward: (at around 1h 25 mins) The football player returning the kick-off for a touchdown. He was a wide receiver for the Pittsburgh Steelers for years.
Patrick Leahy: (at around 1h 2 mins) a Wayne Enterprises board member. The U.S. Senator from Vermont is a Batman fanatic, and also appeared in Batman Forever (1995), Batman & Robin (1997), and The Dark Knight (2008).
Wade Williams: (at around 1h 20 mins) One of the uncredited officers that escorted Selina Kyle to her prison cell. Williams voiced Batman villain "Black Mask" in Batman: Under the Red Hood (2010).