Craig Sechler

Craig Sechler

饰：Self - Narrator

Linda Spilker

饰：Self - Cassini Project Scientist, NASA's Jet Propulsion Laboratory,(as Linda Spilker)

Todd Barber

饰：Self

Dr. Athena Coustenis

Dr. Athena Coustenis

饰：Self - Planetary Scientist, Paris Observatory

Caleb Scharf

饰：Self - Astrobiologist, Columbia University

Andrew Ingersoll

饰：Self - Planetary Scientist, California Institute of Technology

Ralph Lorenz

饰：Self - Planetary Scientist, Johns Hopkins University Applied Physics Laboratory

Jean-Pierre Lebreton

饰：Self - Huygens Project Scientist, European Space Agency