Aren't they cute?! :) Johnny Galecki as Leonard Hofstadter, Jim Parsons as Sheldon Cooper, Kaley Cuoco-Sweeting as Penny, Simon Helberg as Howard Wolowitz, Kunal Nayyar as Raj Koothrappali, Melissa Rauch as Bernadette Rostenkowski, Mayim Bialik as Amy Farrah Fowler, Kevin Sussman as Stuart Bloom and John Ross Bowie as Barry Kripke.