The Planets

Stephen Cooter

as Director

Martin Johnson

as Director

Nic Stacey

as Director

Brian Cox

as Self - Presenter

Fran Bagenal

as Self - Juno Mission Scientist

Alan Stern

as Self - Principal Investigator New Horizons

Carolyn Porco

as Self - Cassini Imaging Team Leader

David Grinspoon

as Self - Planetary Science Institute

Leigh Fletcher

as Self - University of Leicester

Jennifer Eigenbrode

as Self - NASA Goddard Space Flight Center

Noah Hammond

as Self - Planetary Scientist

Ashwin Vasavada

as Self - NASA Jet Propulsion Laboratory

Cathy Olkin

as Self - Deputy Principal Investigator New Horizons

Michele Dougherty

as Self - Cassini Principal Investigator

Carl Murray

as Self - Queen Mary University of London

Hal Weaver

as Self - New Horizons Project Scientist

John Grotzinger

as Self - California Institute of Technology

Julie Webster

as Self - Cassini Chief Engineer

Heidi Becker

as Self - Juno Mission Scientist

Nancy Chabot

as Self - Messenger Instrument Scientist

Jeff Cuzzi

as Self - Cassini Ring Scientist

Stephen Cooter

as Writer

Martin Johnson

as Writer