MUMBAI: Extending his alliance with HBO beyond next year's final episodes of The Sopranos, the three-time Emmy winner James Gandolfini has signed a three-year production deal with HBO.

As per the deal, Gandolfini will develop projects exclusively for HBO and its specialty movie division, Picturehouse.

The actor has also announced his plans to launch a production company called Attaboy Films with partner Alex Ryanhas.

The biopic Hemingway will be Gandolfini's first projects as a producer. Reportedly, Gandolfini and Ryan are also working on a documentary for HBO about US soldiers in Iraq.

Gandolfini has won three Emmys for playing Tony Soprano. His noted works also include Get Shorty and The Last Castle.