Marc Guggenheim (executive producer, consulting producer, written by, creator)



Season 1:

Manu Bennett (Slade Wilson)
Celina Jade (Shado)



James Callis (The Dodger)



Katie Cassidy (Laurel Lance)
David Ramsey (John Diggle)



Roger Cross (Detective/Lieutenant Lucas Hilton)
Kelly Hu (China White)



Season 2:

Katrina Law (Nyssa Al Ghul)



Season 4:

Echo Kellum (Curtis Holt / Mr. Terrific)



Season 5:

Joe Dinicol (Rory Regan / Ragman)



Rick Gonzalez (Rene Ramirez / Wild Dog)



Season 6:

Kirk Acevedo (Ricardo Diaz)



Season 7:

Katherine McNamara (Maya / Mia Smoak / Green Arrow)