Lance Lewman
Narrator
Acting
Holly Gilbert
Herself - NASA Goddard Space Flight Center
Acting
Bill Murtagh
Himself - National Oceanic and Atmospheric Administration Space Weather Center
Acting
Jim Green
Himself - NASA Planetary Science
Acting
Todd Hoeksema
Himself - Stanford University
Acting
Sarah Gibson
Herself - National Center for Atmospheric Research, High Altitude Observatory
Acting
Scott McIntosh
Himself - National Center for Atmospheric Research, High Altitude Observatory
Acting
Karel Schrjiver
Himself - Lockheed Martin
Acting
W. Dean Pesnell
Himself - NASA Goddard Space Flight Center
Acting
Luc Peterson
Himself - Princeton Plasma Physics Laboratory
Acting
Phillip Chamberlin
Himself - NASA Goddard Space Flight Center
Acting