| Stephen Amell | Oliver Queen / Green Arrow |
| David Ramsey | John Diggle / Spartan |
| Katie Cassidy | Laurel Lance / Black Canary |
| Rick Gonzalez | Rene Ramirez / Wild Dog |
| Katherine McNamara | Mia Smoak / Blackstar |
| Juliana Harkavy | Dinah Drake / Black Canary |
| Joseph David-Jones | Connor Hawke |
| Ben Lewis | Adult William Clayton |
| Colton Haynes | Roy Harper |
| Andrea Sixtos | Adult Zoe Ramirez |
| Ben Lewis | Adult William Clayton |
| Michael McIntyre | Hank |
| Adam Bogen | Jon Cortez |
| Gigi Jackman | Patty |
| Paul Kular | Cameron Abrams |
| Jason Wingham | Officer #1 |
| Jason E. Kelley | Dr. Jarrett Parker |
| Miranda Edwards | Silencer |
| Laara Sadiq | Councilwoman Emily Pollard |
| Eliza Faria | Zoe Ramirez |
| Jack Moore | William |