'The Rainmaker' Season 2 Adds Libby Kay & Liam O'Halloran!! #LibbyKay, #LiamOHalloran, #LanaParrilla, #MadisonIseman, #MiloCallaghan, #PJByrne, #JohnSlattery, #MerleDandridge, #KarenBryson, #AustinNichols, #TheRainmaker, #USANetwork