Kris Allen, Paget Brewster, Connor Kalopsis, Scotty McCreery, Nick Fradiani, Chris Carter, Joe Lo Truglio, Adam Anders, Harry Connick Jr, Robert Kazinsky, Chloe Dykstra (+), Dilshad Vadsaria, Carly Rae Jepsen, Natalie Morales (actress), Eve Plumb, Tom Ellis, Meaghan Oppenheimer, Jordan Fisher, Barry Pearl, Jacco Doornbos, Lauren Alaina, Aaron Tveit, Andrew Call, Keith Urban, David Del Rio, Meaghan Rath, Kether Donohue, Charlie Saxton, Jack Cutmore Scott, Justin Bartha, Liza Lapira, Noah Galloway (+), Tee Marie Hanible (+), Nicholas Irving (+), Rorke Denver (+), Jon Kroll, Brent Montgomery, Adam Sher, Carlos PenaVega, Rachael Harris with Christian Hebel, Joel McKinnon Miller, Hana Hayes, Tom DeKay, Adhir Kalyan, Kelly Jenrette, Stephen Mangan, Rebecca Liddiard, Michael Weston, Nicholas Gonzalez with guest, Mary Elizabeth Ellis, Annet Mahendru, Britt Lower (+), Simon Rich (brief)(+), Danny Strong with Caitlin Mehner, Keke Palmer (+), Ana Gasteyer (+), Michaela Conlin, John Roberts, Fred Savage, Dirk Blocker with guest, Kevin Alejandro, Alex Borstein, Julianne Hough, Lakeith Stanfield, Isiah Whitlock Jr, Zazie Beetz, Donald Glover, Brian Tyree Henry, Vanessa Hudgens, Vanessa Lengies, Jay Baruchel (+), Tamara Taylor, Terry Crews with Rebecca Crews, Jessica Lucas, Mary Steenburgen, Cleopatra Coleman, Eric Andre, Andy Samberg, Jake Johnson with guest, Missi Pyle, Christina Moore, Hannah Simone, Stephanie Beatriz (+), Rob Lowe with son John Owen Lowe, John Stamos, Mark Hentemann, Melissa Fumero, January Jones, Lamorne Morris,
