Self - Host / Denise Fallon / Robert Pattinson / Mitt Romney / Neil Young / Justin Bieber / Charlie Sheen / Chiz Dippler / Gary Chutch / José / Ladysmith Snack Mambazo / Roger Federer / Anthony Weiner / Brock Leonard / Cory Van Funk / Donald Trump / Future Jimmy / Self - Host & 'J-Bro' / The Vanilla Wombats / Andy Rooney / Balloon Vendor / Billy Ray Cyrus / Bob Dylan / Casey Abrams / Chip Dimson / DJ Pauly / Earl of Downton Sixbey / Goat Leg Greg / Gorgon Fallon / Herbert Plainview / Inn Guest / Jim Morrison / John Boehner / Joy Philbin / Karate Dancer / Little J / New Wave Dancer / Overalls Dancer / Peggy Hess / Pool Challenger / Rockapella / Rod Rory / Sara / Self - Host; Walter White (segment: Joking Bad) / Sherlock Holmes / The Earl of Downton Sixbey / Tom Brady
Miles / Self / James Spadge / Dale Miles / Dowager Countess / Barbershop Quartet Member / Kelly Gurbcock / Cameron Diaz (segment "Other Voices") / Craig Whitman / Dentist / Eli Manning / Gary / Jim Lehrer / Late Night Topical Caroler / Mr. Fletcher / Prince Firecrotch / Put It in Reverse Demonstrator / Ray Manzarek / Rockapella / Self - 'Put It In Reverse' Demonstrator / Self - Announcer / Tony Siz / Tony Zizz / What
Mets Bucket Hat Guy / Gus Dilello / Self / The Wolfwaker / Self - Staff Writer / Audience Member / Black Cat / Brain Master / Bucket Hat Guy / How do you like me now guy / Self - Eating His First Salad / Topical Carolers' Snow Tosser / Turkey
Barack Obama / The Great Benito / Barry Sparrow / Audience Member / Dieter Gutboots / Gus (segment: Joking Bad) / Johnny / Randy William / Randy Williams
Renee Biddle / Self - Bassist / Self - The Roots: Bassist / Late Night Topical Caroler / One of the Missing / Pro Bowl Shufflin' Crew / Self - Musical Guest / Self - The Roots: Bass
Self - Announcer / Dawson's Creek Hotdog / Doug Stanley / Jeff Effner / Mark Dendy / Mitch Fletcher / Notebook Leprechaun / Paul Mercer / Twilight Santa
production sound mixer / production sound mixer: a cappella segment, Miley Cyrus / production sound mixer: classroom instruments, Carley Rae Jepsen / production sound mixer: classroom instruments, Mariah Carey / production sound mixer: classroom instruments, Robin Thicke / production sound mixer: office supplies music segment, Christina Aguilera / sound mixer