| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Adam Armus | Crew | Writing | Writer | 3 |
 Adam Horowitz | Crew | Writing | Writer | 3 |
 Brian Robbins | Crew | Directing | Director, Producer | 2 |
 Chris Long | Crew | Directing | Director | 2 |
 Craig Zisk | Crew | Directing | Director | 1 |
David Carson | Crew | Directing | Director | 1 |
 Edward Kitsis | Crew | Writing | Writer | 3 |
Hans Tobeason | Crew | Writing | Writer | 1 |
 James Marshall | Crew | Directing | Director | 1 |
Jeff Woolnough | Crew | Directing | Director | 1 |
Jim Charleston | Crew | Directing | Director | 1 |
Joe Napolitano | Crew | Directing | Director | 1 |
John T. Kretchmer | Crew | Directing | Director | 1 |
 Laeta Kalogridis | Crew | Production | Executive Producer, Creator | 13 |
 Melissa Rosenberg | Crew | Writing | Writer | 4 |
 Michael Tollin | Crew | Production | Producer | 13 |
Robert J. Wilson | Crew | Directing | Director | 1 |
 Shawn Levy | Crew | Directing | Director, Producer | 1 |
 Aaron Paul | Cast | Actor | Jerry | 1 |
 Ashley Scott | Cast | Actress | Helena Kyle / Huntress | 13 |
Autumn Reeser | Cast | Actress | Girlfriend | 1 |
 Bob Clendenin | Cast | Actor | Leonard | 1 |
 Bob Papenbrook | Cast | Actor | Misha Petrov | 1 |
 Bobby Edner | Cast | Actor | 10 Year Old 'Guy' | 1 |
 Brad Blaisdell | Cast | Actor | Guard #1 | 1 |
 Brad Bufanda | Cast | Actor | Tough Guy | 1 |
 Brent Sexton | Cast | Actor | Detective McNally | 3 |
Brian Tahash | Cast | Detective Kelly | 1 | |
 Brian Thompson | Cast | Actor | The Crawler | 1 |
 Brody Hutzler | Cast | Actor | Mercenary | 1 |
 Chris Ellis | Cast | Actor | Larry Ketterly | 1 |
 Christopher Wiehl | Cast | Actor | Jack Barrett | 1 |
 Dina Meyer | Cast | Actress | Barbara Gordon / Batgirl / Oracle | 13 |
 Dot-Marie Jones | Cast | Actress | Guard | 1 |
 Ian Abercrombie | Cast | Actor | Alfred Pennyworth | 13 |
 Ian Reed Kesler | Cast | Actor | Chris Cassius | 1 |
 Ilia Volok | Cast | Actor | Lieutenant | 1 |
 J.P. Manoux | Cast | Actor | Cameron Anderson | 1 |
 Jennifer Darling | Cast | Actress | Margaret | 1 |
 Joe Flanigan | Cast | Actor | Det. Claude Morton | 1 |
 Joe Lala | Cast | Actor | Crowley | 1 |
 Jonathan Fraser | Cast | Actor | Uniformed Patrolman | 1 |
 Kevin Rankin | Cast | Actor | Dr. Lewis Melfin | 1 |
 Kirk Baltz | Cast | Actor | Clayface | 1 |
 Lise Simms | Cast | Actress | Det. Grace Tanner | 1 |
 Lori Loughlin | Cast | Actress | Caroline Lance / Black Canary | 1 |
 Maggie Baird | Cast | Actress | Mother | 1 |
 Mark Hamill | Cast | Actor | The Joker (voice) | 1 |
 Mia Sara | Cast | Actress | Harleen Quinzel / Harley Quinn | 13 |
 Michael Welch | Cast | Actor | 14 Year Old 'Guy' | 1 |
 Mitch Pileggi | Cast | Actor | Al Hawke | 1 |
 Neil Hopkins | Cast | Actor | Specialist | 1 |
 Patrick Fischler | Cast | Actor | Dr. Will Kroner | 1 |
 Phil Abrams | Cast | Actor | Coroner | 1 |
 Rachel Skarsten | Cast | Actress | Dinah Lance / Black Canary | 13 |
 Riley Smith | Cast | Actor | 18 Year Old 'Guy' | 1 |
 Rob Benedict | Cast | Actor | Gibson Kafka | 4 |
 Sarah Joy Brown | Cast | Actress | Lucy | 1 |
 Sean McGowan | Cast | Actor | Joey Norvillino | 1 |
 Shane Johnson | Cast | Actor | Colin | 1 |
 Shawn Christian | Cast | Actor | Wade Brixton | 7 |
 Shemar Moore | Cast | Actor | Jesse Reese | 13 |
 Sherilyn Fenn | Cast | Actress | Harleen Quinzel / Harley Quinn | 1 |
 Silas Weir Mitchell | Cast | Actor | Silas 'Slick' Waters | 1 |
 Stephen McHattie | Cast | Actor | Hawke | 1 |
 Steve Hytner | Cast | Actor | Dr. Franklin Rominic | 2 |
 Sung-Hi Lee | Cast | Actress | Sandy Woosan / Lady Shiva | 2 |
 AJ Michalka | Cast | Actress | Young Dinah | 1 |
 Abby Brammell | Cast | Actress | Claire | 1 |
 Alex Scarlis | Cast | Actor | Stuart Thomsen | 1 |
 Annie Wersching | Cast | Actress | Lynne Emerson | 1 |
Callie De Fabry | Cast | Actress | Gabby | 2 |
 Kristoffer Polaha | Cast | Actor | Darkstrike | 1 |
 Matthew Josten | Cast | Actor | 4 Year Old 'Guy' | 1 |
Michael Don Evans | Cast | Armed Guard | 1 | |
Samantha Streets | Cast | Actress | Ponytail Girl | 1 |
 Donovan Leitch | Cast | Actor | Malcolm | 1 |
 Nelson Ascencio | Cast | Actor | Craig Finn | 1 |
 Rainbow Borden | Cast | Actor | Street Hood | 1 |
Richard Stobie | Cast | 70 Year Old 'Guy' | 1 | |
Josh Waters | Cast | Actor | Frost | 1 |
 Kristofer McNeeley | Cast | Actor | Frankie Spitz | 1 |
Charlene Hall | Cast | Actress | Kindly Teacher | 1 |
Ted Underwood | Cast | Guard #2 | 1 | |
Rachel Koda | Cast | Woman | 1 | |
 Heather Dawn | Cast | Young Woman | 1 | |
Nathan Holland | Cast | Carl | 1 | |
Ethan Browne | Cast | Matt Kendell | 1 | |
| Person | Type | Job | Role(s) | Episodes |
