主演：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、Candy Hansen、Andrew Ingersoll、Dave Linick、Fernando Peralta、Linda J. Spilker、Tom Spilker、