Dylan McDermott; Chris Colfer, Kevin McHale, Lea Michele, Cory Monteith, Amber Riley, Jenna Ushkowitz2Kandi Burruss, Sheree Whitfield, NeNe Leakes, Kim Zolciak, Lisa Wu Hartwell; Rod Blagojevich4Serena Williams, Mark Dacascos & Lacey Schwimmer, Dr. Sanjay Gupta30Jamie Kennedy, the cast of "Paranormal Activity", naturalist Nick Baker39The cast of "Yo Gabba Gabba!", Emily Osment, Mitchel Musso, David Henrie, Gazillion Bubbles42Dominic Monaghan, Morena Baccarin, Judge Joseph Wapner, Judge Marilyn Milian48Courteney Cox, Christa Miller, Busy Phillips, Emmy Rossum, David Tutera52Scott Wolf, "Project Runway" winner Irina Shabayeva, the U.S. trampoline team56Jimmy Kimmel, Morgan Lily, Pioneer Woman Ree Drummond, Jeffrey Ross57Debi Mazar, "The Amazing Race" castoffs Flight Time & Big Easy, Sea Wolf59Paul Reubens, Jane Lynch, "The Amazing Race" winners Meghan Rickey & Cheyne Whitney65Jackie, Jermaine, Tito & Marlon Jackson, Robin Tunney, SeaWorld animals66Selena Gomez, Hunter Parrish, "Top Chef" winner Michael Voltaggio, Deana Martin70Jean Smart, Jim Breuer, Winter the Dolphin and her trainer Abby Stone74Mark Harmon, "Bachelor" runner-up Tenley Molzahn, Daniel Capellaro116Craig Robinson, Erin Andrews & Maksim Chmerkovskiy, Dave Zinczenko129James Van Der Beek, Raquel Welch, Kendall Schmidt, James Maslow, Carlos Pena, Logan Henderson150