“ The Rainmaker ” has packed the court with three new actors joining the cast of Season 2. Richard Kind joins the USA Network legal drama as Larry Shifflet, the father to P. J. Byrne’s Deck Shifflet. Kevin Ryan will recur as Liam Donnelly, a corporate vice president with a secret agenda who goes up against Rudy and Deck. And Asher DeLand will recur as Victor Suffredes, a tough but good-natured kid with a troubled past. Victor is described as a “casualty of the system” who lands in juvenile