Documentary about the science related to Superman's Powers.
Rino Romano
as Narrator (voice)
Mark Waid
as Himself
Dennis O'Neil
as Himself
Mark Wolverton
as Himself
Hal Sparks
as Himself
Bryan Singer
as Himself
Brandon Routh
as Himself
Tom Mankiewicz
as Himself
Elliot S. Maggin
as Himself
Alfred Gough
as Himself
Miles Millar
as Himself
Michael Dougherty
as Himself