Relatives of a flight attendant who perished during the 9/11 terrorist attacks have taken aim at the makers of Zero Dark Thirty for featuring the recording of her last call in the film without their permission.

At the start of the drama, which chronicles the decade-long hunt for Osama bin Laden, the final phone calls of several of the victims are played.

The film features a portion of a chat between authorities and Betty Ann Ong, who was aboard American Airlines Flight 11, which crashed into the North Tower of New York City's World Trade Center on 11 September, 2001.

Now her brother, Harry Ong, has criticised screenwriter Mark Boal and director Kathryn Bigelow for failing to gain the family's consent, telling the New York Times, "I thought it was just outrageous, and totally poor judgment, and an abuse of the voices."

In addition, he has called on film executives to apologise and donate money to a charity founded in his sister's name, while he has also asked that her name be featured in the credits.

It is not yet known if bosses will comply with any of Ong's requests, but producers at Sony and Annapurna Pictures have already announced plans to add the names of the victims to the film's official website.