Noah Gray Cabey (+), John Cho, Santiago Cabrera, Adrian Bellani, Emily Harper, Zach Gilford, Masi Oka, Creed Bratton, Malora Hardin, BJ Novak, Phyllis Smith, Leslie D Baker, Kate Flannery, Sofia Vassilieva, Neil Flynn, John Stamos (+), John Lithgow (+), Steve Valentine, Heidi Mueller, Stephen Nichols, Mary Beth Evans, Jake Sandvig, Howie Mandel, Sara Bronson, Lisa Gleve, Tameka Jacobs, Alice Greczyn (+), Mark Wystrach, Taran Killam (+), Paul Campbell(+), Bradly Whitford (+), Brian Baumgartner, Paul Lieberstein, Caroline Rhea (+), Kim Lyons, Bob Harper, Sendhil Ramamurthy, Tawny Cypress, Hayden Panettiere, Noah Gray Cabey cont, Greg Grunberg, Milo Ventimiglia, Leonard Roberts, Ali Larter, Kyle Chandler (+), Connie Britton, Evan Handler, James Scott, Aimee Teegarden, Taylor Kitsch (brief), Minka Kelly, Scott Porter, Adrianne Palicki, Rainn Wilson, Mindy Kaling, Linda Park, Parminder Nagra (+), Shane West, Linda Cardellini, Galen Gering, Rhea Seehorn, Jarrad Paul, Adrian Pasdar, Keith Olbermann, Eddie Steeples, David Denman, John Krasinski, Jeremy Sisto, Heather Burns, Julianne Nicholson, Kevin Reilly, Timothy Busfield, Sarah Paulson, Nicole Sullivan, Dana Delany, Tina Fey (+), Tracy Morgan, Alana De La Garza, Carmen Ejogo, Aaron Sorkin, Amanda Peet, Jeff Goldblum, Matthew Perry, Amanda Peet cont, Steven Weber