Action RPGs were very common game genre on the NES. There were many of it's type. Many even captialised on many other different styles of game too.
River City Ransom were released by Technos in 1989. This the same Technos that released the WWF games in the arcades, as well as Double Dragon.
River City Ransom was an an action/brawler RPG. In this instance, Alex, the playable character would go round parts of the city and beat up a variety of gangs. In between the various territories, players could find shops and spas to refill health, as well as finding dojos to learn new moves.