Born in the Dominican Republic , he is studying to become a naturalized U.S. citizen .
Miguel Garcia ( Mateo Bonn ) : Following Billy 's return to college to earn an advanced degree ( in Season 4 ) , Miguel is hired to become the new electrical engineer .
Born in the Dominican Republic , Miguel Garcia is studying to become a naturalized U.S. citizen .
Miguel Garcia ( Mateo Bonn ) : Following Billy 's return to college to earn an advanced degree ( in Season 4 ) , Miguel is hired to become the new electrical engineer .