- John Van Auken
- Shimon Peres and Michael Bar-Zohar
- Dan Burstein, Bart D. Ehrman, and Linda Ruf
- Jason Alexander, Leonard Nimoy, and Kyra Sedgwick
- Jim Wallis, Alan Dershowitz, and Amy Sullivan
- Henry Reed
- Joe Jacks
- John Simpson
- Dana Jackson
- Jeanne Birdsall
- Gene Wilder
- Stuart Dybek
- Garrison Keillor
- Byron Katie Mitchell
- Dr. Oliver Sacks
- Ranulph Fiennes
- Noam Chomsky
- Anthony Bourdain, Eric Ripert, and Gabrielle Hamilton
- Wangari Muta Maathai
- Marilynne Robinson
- Ian Schrager
- Shakti Gawain
- Salman Rushdie
- Marianne Williamson
- Robert Thurman, Ph.D.
- Deepak Chopra
- Cynthia Ozick
- James Surowiecki
- Nora Ephron
- Abe Kass, R.S.W.
- George Carlin
- Un-Cabaret
- Bernard-Henri Lévy
- Robert Krulwich and Steve Wozniak