Mark Ruffalo almost didn't get to show off his best «Thriller» dance moves! Ruffalo's co-star, Jennifer Garner, revealed to that the 53-year-old actor was not a fan of dance rehearsals for the 2004 film. In one famous scene, Garner's character, Jenna Rink, convinces a whole party of adults to do the iconic dance to Michael Jackson's «Thriller.» «Our first rehearsal, I think it was Mark and Judy [Greer] and me, and Judy and I were both dancers growing up and poor Mark didn't know that,» the