Seth Meyers

Host of "Late Night with Seth Meyers" & Former Head Writer for SNL

Andy Cohen

Emmy Award-Winning Host & Producer of Bravo’s "Watch What Happens: Live"

Andy Cohen reacts to his infamous New Year’s Eve rant

William Shatner

Emmy-Award Winning Actor, Known for "Star Trek" & "Boston Legal"

Bill Nye

"The Science Guy"; Science Communicator, TV Presenter & Mechanical Engineer; Climate Change Activist

Steven Levitt

Economist, NY Times Bestselling Author of "Freakonomics," "SuperFreakonomics" & "Think Like a Freak"

Monica Lewinsky

Producer, Social Activist, Contributing Editor to Vanity Fair, Expert on Cyberbullying, Women's Issues & Reinvention

Monica Lewinsky Suits Up for Reformation's New Power Voting Campaign

Max Greenfield

Actor Known For "New Girl" & Children's Author

Henry Winkler

Actor, Producer, Director & Best-Selling Author; Best Known for "Happy Days"

Robert Reich

Economic Analyst, CNBC Contributor, Professor, Author, Advisor to Presidents & Former Secretary of Labor

Ben Stein

Political Economist, Commentator, Author & Actor

B.J. Novak

Actor, Writer & Comedian Known for "The Office"

Anne-Marie Slaughter

Foreign Policy Expert, Author & CEO of New America Foundation

Natasha Lyonne

Emmy Nominated Actress; Known for "American Pie," "Orange Is the New Black" & "Russian Doll"