 | Zach Callison als Billy Batson (segment "The Return of Black Adam") (voice) |
 | James Garner als Shazam (segment "The Return of Black Adam") (voice) |
 | Josh Keaton als Punk (segment "The Return of Black Adam") (voice) |
 | Danica McKellar als Sally (segment "The Return of Black Adam") (voice) |
 | George Newbern als Superman / Clark Kent (segment "The Return of Black Adam") (voice) |
 | Jerry O'Connell als Captain Marvel (segment "The Return of Black Adam") (voice) |
 | Kevin Michael Richardson als Mister Tawky Tawny (segment "The Return of Black Adam") (voice) |
 | Arnold Vosloo als Black Adam (segment "The Return of Black Adam") (voice) |
 | Gary Cole als Jim Corrigan / The Spectre (segment "The Spectre") (voice) |
 | Alyssa Milano als Aimee Brenner (segment "The Spectre") (voice) |
 | Jeff Bennett als Foster Brenner / Peter McCoy / Flemming (segment "The Spectre") (voice) |
 | Rob Paulsen als Drew Flynn / Lt. Brice / Deandre (segment "The Spectre") (voice) |
 | Jon Polito als Police Captain (segment "The Spectre") (voice) |
 | Malcolm McDowell als Merlyn the Magnificent (segment "Green Arrow") (voice) |
 | Neal McDonough als Green Arrow / Oliver Queen (segment "Green Arrow") (voice) |
 | Steve Blum als Count Vertigo (segment "Green Arrow") (voice) |
 | Grey DeLisle als Black Canary (segment "Green Arrow") (voice) (as Grey DeLisle) |
 | John DiMaggio als Merc (segment "Green Arrow") (voice) |
 | Ariel Winter als Princess Perdita (segment "Green Arrow") (voice) |
 | Thomas Jane als Jonah Hex (segment "Jonah Hex") (voice) |
 | Linda Hamilton als Madame Lorraine (segment "Jonah Hex") (voice) |
 | Jason Marsden als Young Man / Bartender (segment "Jonah Hex") (voice) |
 | Michael Rooker als Red Doc (segment "Jonah Hex") (voice) |
 | Michelle Trachtenberg als Bar Girl (segment "Jonah Hex") (voice) |
| Jerry Siegel | Characters |
| Joe Shuster | Characters |
| Steve Niles | Writer |
| Alan Burnett | Co-Producer |
| Bruce Timm | Associate Producer |
| Michael Jelenic | Writer |
| Greg Weisman | Writer |
| Joaquim Dos Santos | Director |
| Joaquim Dos Santos | Producer |
| Joe R. Lansdale | Writer |
| Justin Gray | Original Story |
| Phil Noto | Original Story |
| Jimmy Palmiotti | Original Story |
| Bobbie Page | Producer |
| Sam Register | Executive Producer |
| Carlos Sanches | Sound Re-Recording Mixer |
| C.C. Beck | Characters |
| Bill Parker | Characters |
