Kingdom is a story about family, loyalty, ambition, glory, lust, betrayal and the raw nerve needs and desires that inspire people to greatness or drive them to unthinkable treachery. The series takes place in venice, california and is set against the backdrop of mixed martial arts mmathe cast is led by frank grillo captain america the winter soldier, homefront, warrior, who returns to the ring to play alvey king kulina. Kiele sanchez the glades, lost plays lisa prince, his long time girlfriend. Matt lauria friday night lights plays ryan wheeler,the intelligent, good looking world class athlete who had it all, including lisa prince, who shows up at alvey's gym after doing time in prison, which was precipitated by a spiraling drug addiction. Jonathan tucker parenthood plays jay, alvey's eldest son, once a promising fighter,who is struggling with addiction. Nick jonas plays nate, alvey's youngest son and the prized fighter at the gym. Joanna going house of cards, mad men plays christina, alvey's estranged wife and mother to jay and nate.