The season 51 cast of Saturday Night Live might look a little different than last year, according to showrunner Lorne Michaels. Michaels, 80, told Puck in a profile published on Sunday, August 24, that he hoped to shake up the casting lineup. “Last season, when we were at the party of the first show, quarter of four in the morning, Dana [Carvey, who played Joe Biden], comes over to me and says, ‘I don’t think anyone knows you called me June 4th [to play Biden],’” Michaels said. “I wanted people coming back and being part of [the 50th season].” He…