| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Alan Burnett | Crew | Production | Producer | 52 |
 Curt Geda | Crew | Directing | Director | 1 |
 James Krieg | Crew | Production | Producer | 52 |
Jay Bastian | Crew | Production | Executive Producer | 52 |
 Paul Dini | Crew | Writing | Writer | 1 |
 Andrew Kreisberg | Crew | Writing | Story | 1 |
Doug Murphy | Crew | Directing | Director | 16 |
Heath Corson | Crew | Writing | Writer | 2 |
 Sam Register | Crew | Production | Executive Producer | 52 |
 Butch Lukic | Crew | Production | Producer | 52 |
Jake Castorena | Crew | Directing | Director | 20 |
Shaunt Nigoghossian | Crew | Directing | Director | 15 |
Matthew Humphreys | Crew | Art | Storyboard Artist | 1 |
 Andy Richter | Cast | Actor | Chronos (voice) | 2 |
 Armin Shimerman | Cast | Actor | Zilius Zox (voice) | 1 |
 Brent Spiner | Cast | Actor | Edward Nigma / Riddler (voice) | 1 |
 Carl Reiner | Cast | Actor | The Wizard (voice) | 1 |
 Charlie Schlatter | Cast | Actor | The Flash (voice) | 5 |
 Chris Diamantopoulos | Cast | Actor | Oliver Queen / Green Arrow (voice) | 1 |
 Christian Slater | Cast | Actor | Deadshot (voice) | 1 |
 Cloris Leachman | Cast | Actress | Granny Goodness (voice) | 3 |
 Crispin Freeman | Cast | Actor | Martian Manhunter (voice) | 2 |
 Dan Donohue | Cast | Actor | Brother Night / Merlin (voice) | 1 |
 Dana Snyder | Cast | Actor | Penguin (voice) | 1 |
 Darin De Paul | Cast | Actor | Sinestro (voice) | 1 |
 David Sobolov | Cast | Actor | Gorilla Grodd (voice) | 2 |
 Diedrich Bader | Cast | Actor | Booster Gold (voice) | 6 |
 Erica Luttrell | Cast | Actress | Kid Dr. Fate (voice) | 1 |
 Fred Tatasciore | Cast | Actor | Robot (voice) | 1 |
 Gary Cole | Cast | Actor | Black Adam (voice) | 2 |
 Gilbert Gottfried | Cast | Actor | Mr. Mxyzptlk (voice) | 3 |
 Grey DeLisle | Cast | Actress | Navigational System (voice) | 1 |
 James Woods | Cast | Actor | Lex Luthor (voice) | 6 |
 Jerry O'Connell | Cast | Actor | Ray Palmer / The Atom (voice) | 1 |
 Jessica Walter | Cast | Actress | Athena (voice) | 1 |
 Jim Ward | Cast | Actor | The Brain (voice) | 1 |
 John Astin | Cast | Actor | Uncle Dudley (voice) | 1 |
 John DiMaggio | Cast | Actor | Mongul (voice) | 1 |
 John de Lancie | Cast | Actor | Brainiac (voice) | 2 |
 Jon Cryer | Cast | Actor | Felix Faust (voice) | 3 |
 Jon Lovitz | Cast | Actor | Sid Sharp (voice) | 1 |
 Jonathan Adams | Cast | Actor | Darkseid (voice) | 4 |
 Josh Keaton | Cast | Actor | Hal Jordan / Green Lantern (voice) | 3 |
 Julianne Grossman | Cast | Actress | Hippolyta (voice) | 1 |
 Ken Jeong | Cast | Actor | Toyman (voice) | 2 |
 Kevin Conroy | Cast | Actor | Batman (voice) | 42 |
 Lacey Chabert | Cast | Actress | Zatanna (voice) | 5 |
 Mark Hamill | Cast | Actor | The Joker (voice) | 4 |
 Melissa Disney | Cast | Actress | Mom / Brat (voice) | 1 |
 Mena Suvari | Cast | Actress | Killer Frost (voice) | 1 |
 Michael Dorn | Cast | Actor | Atrocitus (voice) | 2 |
 Noel Fisher | Cast | Actor | Klarion the Witch Boy (voice) | 2 |
 P.J. Byrne | Cast | Actor | Firestorm (voice) | 8 |
 Patton Oswalt | Cast | Actor | Space Cabbie (voice) | 5 |
 Peter Jessop | Cast | Actor | Steppenwolf (voice) | 1 |
 Peter Stormare | Cast | Actor | Mr. Freeze (voice) | 1 |
 Rachel Kimsey | Cast | Actress | Jackie (voice) | 1 |
 Robert Picardo | Cast | Actor | Harvey Dent / Two-Face (voice) | 1 |
 Sean Astin | Cast | Actor | Shazam / Billy (voice) | 1 |
 Stephen Tobolowsky | Cast | Actor | Professor Stein (voice) | 8 |
 Tara Strong | Cast | Actress | Lois Lane (voice) | 1 |
 Thomas Lennon | Cast | Actor | Amazo (voice) | 1 |
 Travis Willingham | Cast | Actor | Bizarro (voice) | 1 |
 Trevor Devall | Cast | Actor | Jonah Hex (voice) | 1 |
 William Salyers | Cast | Actor | Virman Vunderbar (voice) | 1 |
 Damian O'Hare | Cast | Actor | Constantine / Mr. Anderson (voice) | 1 |
 Dania Ramírez | Cast | Actress | Red Velvet (voice) | 1 |
 Fryda Wolff | Cast | Actress | Faora (voice) | 2 |
 Gillian Jacobs | Cast | Actress | Roxy Rocket (voice) | 1 |
 Jake T. Austin | Cast | Actor | Blue Beetle (voice) | 2 |
 Jasika Nicole | Cast | Actress | Vixen (voice) | 2 |
 Kevin Shinick | Cast | Actor | Dad (voice) | 1 |
 Khary Payton | Cast | Actor | Cyborg / Kanjar Ro (voice) | 1 |
 Natasha Leggero | Cast | Actress | Poison Ivy (voice) | 1 |
 Oliver Vaquer | Cast | Actor | Mr. Mind (voice) | 2 |
 Patrick Seitz | Cast | Actor | Jason Blood / Etrigan the Demon / Merlin (voice) | 1 |
 Paula Rhodes | Cast | Actress | Kid Constantine (voice) | 1 |
 Roger Craig Smith | Cast | Actor | Mr. Miracle (voice) | 1 |
 Troy Baker | Cast | Actor | Kanto (voice) | 1 |
 Dayci Brookshire | Cast | Kid Zatanna (voice) | 1 | |
 Hannibal Buress | Cast | Actor | Michael Holt / Mister Terrific (voice) | 2 |
 Piotr Michael | Cast | Actor | Kalibak / Perry White (voice) | 1 |
 Laura Post | Cast | Actress | Circe (voice) | 1 |
 Max Mittelman | Cast | Actor | Jimmy Olsen (voice) | 1 |
 David Lodge | Cast | Actor | Calythos / Warden (voice) | 1 |
 Ely Henry | Cast | Actor | Noah Kuttler / Calculator (voice) | 2 |
 Natalie Lander | Cast | Actress | Stargirl / Timmy (voice) | 1 |
 Joanne Spracklen | Cast | Actress | Supergirl (voice) | 2 |
 Jason J. Lewis | Cast | Clark Kent / Superman / Desaad (voice) | 1 | |
| Person | Type | Job | Role(s) | Episodes |
