Stars (in credits order)
Rino Romano
Narrator(voice)
Mark Waid
Self - comic book writer
Denny O'Neil
Mark Wolverton
Self - author of 'The Science of Superman'
Michael Dennin
Self - Professor of Physics, UC Irvine
Hal Sparks
Self
Todd Barber
Self - propulsion engineer, NASA Jet Propulsion Laboratory
Bryan Singer
Brandon Routh
Mat Beck
Alfred Gough
Miles Millar
Frank Frisch
Self - professor of biological sciences, Chapman University
Elliot S. Maggin
Michael Dougherty
Dan Harris
Mark Stetson
Tom Mankiewicz
Rob Flanagan
Bank Gunner