Frank Drake / Carolyn Porco / John Casani / Lawrence Krauss / Timothy Ferris / Edward Stone / Nick Sagan / Larry Soderblom / Charley Kohlhase / Fran Bagenal / James F. Bell / Frank Locatell / Suzanne Dodd / Jon Lomberg / Heidi Hammel
Alwara Höfels / Karin Hanczewski / Martin Brambach / Caroline Hartig / Jörg Bundschuh / Daniel Wagner / Ulrich Brandhoff / Tom Gramenz / Merlin Rose / Wilson Gonzalez / Karina Plachetka / Alessandro Schuster / Leon Ullrich / Peter Trabner / Robert Gallin