Defiance is a 2013 English-language Action Drama series developed by Rockne S. O'Bannon, Kevin Murphy and Michael Taylor. The show was Produced by Paul M. Leonard, Michael Nankin and Anupam Nigam under the banner of Five & Dime Productions in collaboration with Universal Cable Productions and Open 4 Business Productions. airing on Syfy. In the year 2046, it's a new Earth - with new rules. Over thirty years after various alien races arrived on Earth, the landscape is completely altered, terraformed nearly beyond recognition. To the town of Defiance, on what used to be St. Louis, comes the mysterious Nolan (Grant Bowler) and his charge, Irisa (Stephanie Leonidas). As they settle into town - overn by the mayor, Amanda Rosewater (Julie Benz) and filled with residents like the powerful Rafe McCawley (Graham Greene), enterprising lounge owner Kenya (Mia Kirshner) and the ambitious, alien Tarrs (Tony Curran and Jaime Murray) - events begin to unfold that threaten the fragile peace this border town has fought for. Written by Official site. Defiance features Grant Bowler, Julie Benz, Stephanie Leonidas, Tony Curran, Jaime Murray, Graham Greene and Mika Collins. The music was composed by Bear Mccreary. The show has a running time of 40-45 min,85 min for each episode. The show has a total of 38 episodes during it's run of 3 seasons. Distribution rights for the show were acquired by NBCUniversal Television Distribution.