| Ryan Reynolds | .... | Narrator (Stimme) |
| Paul Levitz | .... | Self - Writer; President and Publisher (2002-2009) DC Comics |
| Gerard Jones | .... | Self - Writer; Historian |
| Mark Waid | .... | Self - Writer |
| Neal Adams | .... | Self - Artist; Writer |
| Joe Kubert | .... | Self - Writer; Artist; Director of Publications (1967-1976) |
| Louise Simonson | .... | Self - Writer |
| Jerry Siegel | .... | Self - Writer; Co-Creator of Superman(archive footage) (arch |
| Joe Shuster | .... | Self - Artist; Co-Creator of Superman(archive footage) (arch |
| Dwayne McDuffie | .... | Self - Writer; Co-Founder Milestone Media |
| Bob Kane | .... | Self(archive footage) |
| Irwin Hasen | .... | Self - Artist |
| Dan Didio | .... | Self - Co-Publisher DC Comics |
| Chip Kidd | .... | Self - Writer; Art Director |
| Mike Carlin | .... | Self - Senior Group Editor DC Comics |
| Marv Wolfman | .... | Self - Writer; Editor |
| J. Edgar Hoover | .... | Self - FBI Director(archive footage) |
| William Gaines | .... | Self(archive footage) |
| Grant Morrison | .... | Self - Writer |
| Julius Schwartz | .... | Self - Editor (1944-1986)(archive footage) |
| Len Wein | .... | Self - Writer; Editor |
| Walter Simonson | .... | Self - Writer; Artist |
| Jim Lee | .... | Self - Artist; Co-Publisher DC Comics |
| Dennis O'Neil | .... | Self - Writer; Editor |
| Geoff Johns | .... | Self - Writer; Chief Creative Officer DC Entertainment |
| Neil Gaiman | .... | Self - Writer |
| Alexander Salkind | .... | Self - Producer 'Superman'(archive footage) |
| Ilya Salkind | .... | Self - Producer 'Superman' I-III(archive footage) |
| Christopher Reeve | .... | Self - Clark Kent / Superman(archive footage) |
| Karen Berger | .... | Self - Executive Editor Vertigo, DC Comics |
| Frank Miller | .... | Self - Writer; Artist(archive footage) |
| Kyle Baker | .... | Self - Artist; Writer |
| Alan Moore | .... | Self(archive footage) |
| Paul Pope | .... | Self - Writer; Artist |
| Jerry Ordway | .... | Self - Writer; Artist(archive footage) |
| Zack Snyder | .... | Self - Director 'Watchmen'(archive footage) |
| David Cronenberg | .... | Self - Director 'A History of Violence'(archive footage) |
| Christopher Nolan | .... | Self - Director 'Batman Begins' and 'The Dark Knight'(archiv |
| Francis Lawrence | .... | Self - Director 'Constantine'(archive footage) |
| James McTeigue | .... | Self - Director 'V for Vendetta'(archive footage) |
| Bryan Singer | .... | Self - Director 'Superman Returns'(archive footage) |
| Pat Boone | .... | Self(archive footage) |
| Lynda Carter | .... | Wonder Woman(archive footage) |
| Harry Donenfeld | .... | Self(archive footage) |
| Irwin Donenfeld | .... | Self |
| Richard Donner | .... | Self(archive footage) |
| Jack Liebowitz | .... | Self(archive footage) |
| William M. Marston | .... | Self(archive footage) |
| George Reeves | .... | Clark Kent / Superman(archive footage) |
| Franklin Delano Roosevelt | .... | Self(archive footage) |
| Margaret Thatcher | .... | Self(archive footage) |
| Fredric Wertham | .... | Self - Psychiatrist and Author(archive footage) |
| Michael Bell | .... | Zan(archive footage) (uncredited) |
| Bud Collyer | .... | Clark Kent / Superman(archive footage) (uncredited) |
| Sam Huntington | .... | Jimmy Olsen(archive footage) (uncredited) |
| John F. Kennedy | .... | Self(archive footage) (uncredited) |
| Margot Kidder | .... | Lois Lane(archive footage) (uncredited) |
| Frank Langella | .... | Perry White(archive footage) (uncredited) |
| Pat Nixon | .... | Self(archive footage) (uncredited) |
| Richard Nixon | .... | Self(archive footage) (uncredited) |
| Natalie Portman | .... | Self(archive footage) (uncredited) |
| Michelle Prenez | .... | Self / Supergirl (uncredited) |
| Nancy Reagan | .... | Self - First Lady(archive footage) (uncredited) |
| Ronald Reagan | .... | Self(archive footage) (uncredited) |
| Jennifer Wenger | .... | Self / Wonder Woman (uncredited) |
| William Woodson | .... | Narrator(archive footage) (uncredited) |