All 150 actors in both Arrow and The 100
150 actors have appeared in both Arrow and The 100, across 270 episodes. The most-credited is Jarod Joseph, Alan Durand in Arrow and Nathan Miller in The 100.
| Actor | In Arrow | In The 100 | Eps | Eps |
|---|---|---|---|---|
| Jarod Joseph | Alan Durand | Nathan Miller | 3 | 66 |
| Sachin Sahel | Waiter | Eric Jackson | 1 | 59 |
| Jessica Harmon | Nancy Moore | Niylah | 1 | 32 |
| Neal McDonough | Damien Darhk | First Disciple Anders | 20 | 5 |
| Elysia Rotaru | Taiana Venediktov | Musgrave | 17 | 1 |
| Roger Cross | Det. Lucas Hilton | Polaris Commander | 12 | 1 |
| Katie Stuart | Lisa Selway | Zoe Monroe | 1 | 15 |
| JR Bourne | Jimmy Tell / Double Down | Russell Lightbourne VII | 1 | 10 |
| Eliza Faria | Zoe Ramirez | Grounder Girl | 16 | 1 |
| Lee Majdoub | Gholem Qadir | Nelson / Sachin | 1 | 10 |
| Ty Olsson | Martin Somers | Nyko | 1 | 10 |
| Kyra Zagorsky | Athena | Kara Cooper | 2 | 7 |
| Mike Dopud | Viktor | Michael Vinson | 6 | 5 |
| Toby Levins | Eric Dunn | Carl Emerson | 1 | 10 |
| Chelah Horsdal | Kate Spencer | Simone Lightbourne | 5 | 1 |
| Rekha Sharma | Claire Abbott | Lorelei Tsing | 1 | 9 |
| JoJo Ahenkorah | Albie | Costa | 1 | 10 |
| Terry Chen | Soldier | Cmdr. Shumway | 1 | 4 |
| Jesse Hutch | Officer Daily | Lead COG | 6 | 1 |
| Dean Marshall | Emergency Services | Jae Workman | 1 | 10 |
| Karen Holness | Jana Washington, Untouchable #1 | Blythe Ann Workman | 2 | 10 |
| Adam Lolacher | Klaus Markos | Jeremiah | 1 | 8 |
| Artine Brown | Hendrick Von Arnim | Lt. Graco | 3 | 2 |
| Michael Jonsson | Kodiak | Esop | 4 | 1 |
| Aleks Paunovic | Felton | Gustus | 2 | 4 |
| Jarryd Baine | Reporter #2 | Joaquin | 6 | 1 |
| Patrick Sabongui | Captain David Singh, Soldier #2, Street Dealer | Sindri | 5 | 2 |
| Brad Kelly | Nico, Thug | Lead Grounder, Harris, Kodiak | 2 | 4 |
| Celia Reid | Becky | Roma | 4 | 3 |
| Hiro Kanagawa | Dr. Neil Lamb | Council Member #3 | 2 | 4 |
| Max Montesi | Kendrick Weller | Lindo the Defector | 1 | 6 |
| Tom Stevens | Teddy Reston | Trey | 1 | 8 |
| Jaeson Lee | Mercenary, Cavanaugh, SCPD Uni #1 | Tomac | 6 | 1 |
| Paul Lazenby | Inmate, Mr. Robbins, Thug | Rockline Warrior, Sidekick | 3 | 4 |
| Tristan Jensen | Oliver's Security Detail, Bodyguard | Captain Sea Grounder | 5 | 2 |
| Sarah Jane Redmond | Mrs. Reston | Kaylee Lee | 1 | 5 |
| Hamza Fouad | Cyrus Broderick | Terrorist Abductor | 3 | 2 |
| Bradley Stryker | Vincent | Baylis | 1 | 2 |
| Jennifer Cheon | Officer Jones | Dakiva | 5 | 1 |
| Max Archibald | Young Diaz | Believer Boy | 1 | 5 |
| Sean Kuling | MP #1 | Cassius | 1 | 7 |
| Cassandra Ebner | Model #1, Scientist, Veronica Sparks | Klara | 3 | 2 |
| James Michalopolous | Black Hawk Guard | Fio | 1 | 4 |
| Nick Hunnings | Task Force Leader | Lee | 1 | 4 |
| Shaine Jones | ESU Sergeant | Shawn Gillmer | 1 | 5 |
| Chad Riley | Cop #1, ESU Officer, Halcones Gangbanger | Osias | 4 | 1 |
| Nisreen Slim | Reporter | Grounder Mother / Dying Woman | 3 | 2 |
| James Pizzinato | Reverend Thomas Flynn | Richards | 1 | 2 |
| Valerie Tian | Morgan | Kid #1 | 3 | 1 |
| Alyson Bath | Kandy Kane | Bree | 1 | 4 |
| Darren Moore | Mouthpiece | Orlando | 1 | 2 |
| Doug Chapman | Baker, Soldier #1 | Big Arker | 3 | 1 |
| Glenn Ennis | Ankov | Ryder, Machete | 1 | 4 |
| Graham Shiels | Brother Cyrus Gold | Quint | 3 | 1 |
| Steve Bacic | Sean Sonus | Grounder | 2 | 1 |
| Tina Grant | Drug Dealer's Girlfriend | Stone Conductor | 1 | 2 |
| Garfield Wilson | Ripped | Soldier | 2 | 3 |
| Eric Mazimpaka | A.R.G.U.S. Guard, Bodyguard #1 | Second Polis Sentry | 2 | 2 |
| Fraser Corbett | Lt. David Ellet, Thug #2 | Geo Terrorist, Mt. Weather Soldier #2 | 2 | 2 |
| Georgia Hacche | Dina Salvati | Denae | 1 | 3 |
| John DeSantis | Reaper Tattoo | Gideon | 2 | 2 |
| Seth Whittaker | Wheelman | Langston's Buddy | 1 | 3 |
| Colin Lawrence | Paul Knox | Rivo | 1 | 2 |
| Jason William Day | Guard #1, Officer | Azgeda Warrior | 2 | 1 |
| Marshall Bingham | Badass Inmate, Goon #1 | Miranda's Royal Guard | 2 | 1 |
| Michael Rogers | Sergei | Denby | 1 | 2 |
| Reese Alexander | Lieutenant | Guard | 1 | 2 |
| Tommy Europe | Prison Guard, Security Guard | Harris | 2 | 1 |
| Miles Chalmers | Officer Crawford | Zev | 1 | 4 |
| Carmel Amit | Aviva Metula / Shadow Thief | Female Street Vendor | 1 | 1 |
| Julia Dominczak | Reporter #2 | Singing Grounder | 1 | 3 |
| Andrew Chin | Man, Perp | Null Man | 2 | 1 |
| Ben Cotton | Dave Hackett | Red | 1 | 2 |
| Crystal Balint | Officer Thompson | Gemma Cadogan | 2 | 1 |
| Darryl Scheelar | Councillor, Security Guard #1 | Sonic Driller | 2 | 1 |
| Josh Blacker | Magee | Captain Meredith | 1 | 2 |
| Phillip Mitchell | Guard, Potluck | Large Prisoner | 2 | 1 |
| Primo Allon | Osborne | Chief Guard | 1 | 2 |
| Christian Sloan | Dealer | Ambassador Uzac | 1 | 3 |
| Eric Breker | Leo Mueller | Sgt. Lovejoy | 1 | 1 |
| Jeremy Jones | Gun Dealer | Robert | 1 | 2 |
| Paul Grenier | Brian | Trikru Warrior | 1 | 1 |
| Yee Jee Tso | Scientist | Cameron | 1 | 2 |
| Darien Martin | Robert Joyce | Royal Guard | 1 | 2 |
| Hugo Raymundo | Bodyguard, SCPD Unit #2 | Hugo | 2 | 1 |
| Marcello Guedes | John Jr. | Sean | 2 | 1 |
| Matthew Mandzij | Bank Guard #1 | Guard | 1 | 2 |
| Rob Hayter | Security | Chief Guard / Whitman | 1 | 2 |
| Shaw Madson | Parole Officer | Angry Parent #2, Unit Monitor | 1 | 2 |
| Aaron Hutchinson | SCPD Officer | Sgt. Langston | 1 | 1 |
| Marcus Aurelio | Bouncer | Angry Azgeda Warrior | 1 | 1 |
| Tomas Mauro | A.R.G.U.S. Agent | Ark Tower Guard | 1 | 1 |
| Dalias Blake | Bank Guard, SWAT Leader | Other Tech | 2 | 1 |
| Mark Gibbon | Ops Leader | Grounder #1 / Bounty Hunter | 1 | 2 |
| Ian Butcher | Ezra Barnes | Bryson | 1 | 3 |
| Colin Foo | Proprietor | Pei Chao | 1 | 1 |
| Darcy Laurie | Bo Travis | Tybe | 1 | 1 |
| Kyle Warren | Andrew Thornton | Kirsch | 1 | 2 |
| Don Lew | Chinese Man | War Chief #1 | 1 | 1 |
| Freda Perry | Wealthy Patron | Council Member #1 | 1 | 1 |
| George Tchortov | Guillermo Barrera | Derrick | 1 | 1 |
| Giacomo Baessato | Colton | Diggs | 1 | 1 |
| Jesse James Pierce | Obnoxious Clubber | Louis | 1 | 1 |
| Kamran Fulleylove | Simon | Dev | 1 | 1 |
| Mat Lo | Teacher Rep. | Nurse Disciple | 1 | 1 |
| Osric Chau | Ryan Choi | Red Eyed Boy | 1 | 1 |
| Raresh DiMofte | FSB Bratva #1 | Joroum | 1 | 1 |
| Rick Dobran | Alec Tarkov | Merchant | 1 | 1 |
| Bob Frazer | Roger Hayden / Psycho Pirate | Captain Stevens | 1 | 1 |
| Daryl Ducharme | Big Guy | Dexter | 1 | 1 |
| Donald Sales | Rob Reynolds | Man | 1 | 1 |
| J.C. Williams | A.R.G.U.S. Agent | Lead Guard | 1 | 1 |
| Brad Bergeron | Junior Agent | Stevens | 1 | 1 |
| Colin Decker | Pilot | Falk | 1 | 1 |
| Gardiner Millar | Bertinelli's Thug | Scarfaced Grounder | 1 | 1 |
| Jim Shield | Keating | Grounder Warrior #1 | 1 | 1 |
| Mike Kovac | Man #2 | Rabe | 1 | 1 |
| Patrick Roccas | MP #3 | Azgeda Scout | 1 | 1 |
| Tiara Sorensen | Two | Lily | 1 | 1 |
| Dean Redman | Security Guard #2 | Guard | 1 | 1 |
| Donald Heng | ESU Officer | Gabriel II | 1 | 1 |
| Erin Aubrey | Doctor | Blue Cliff Warrior | 1 | 1 |
| Graham MacDonald | Victor Nocenti | Bill | 1 | 1 |
| Lee Tichon | Controller | Pike's Guard | 1 | 1 |
| Michael Patric | Comptroller | Nash | 1 | 1 |
| Nicole Hombrebueno | Hot Girl | Satisfied Girl | 1 | 1 |
| Parmiss Sehat | Princess Noor Harjavti | Cora | 1 | 1 |
| Warren Belle | Prison Guard #2 | Sgt. Scott | 1 | 1 |
| Zara Durrani | Refugee Woman | Egyptian Scavenger | 1 | 1 |
| Charles Zuckermann | Petrov | Grizzled Warrior | 1 | 1 |
| Kaare Anderson | ESU Leader | Man | 1 | 1 |
| Michael Adamthwaite | Torque | Reaper | 1 | 1 |
| Stew McLean | Gangbanger | McCreary Guard #1 | 1 | 1 |
| Dustin Lloyd | Lead Merc | Sanctum Guard | 1 | 1 |
| Ian Rozylo | Cobalt #1 | Diyoza Prime Guard | 1 | 1 |
| Mike Klemak | Counsellor | Guard | 1 | 1 |
| Craig Blair | Guard #2 | Lexa's Sentry | 1 | 1 |
| Jacob Tazelaar | Head Merc | New Terrorist Leader | 1 | 1 |
| Jason Bempong | Gang Leader | Beautiful Young Man | 1 | 1 |
| Kaiden Berge | Lowlife | Tech Savvy Miner | 1 | 1 |
| Jason Bell | Gholem Security | Scar | 1 | 1 |
| Wyatt Cameron | Gangbanger #2 | Guard | 1 | 1 |
| Jay Hindle | Officer Benton | Supervising Med Tech | 1 | 1 |
| Virgil Davies | Talon | Virgil | 1 | 1 |
| Gaelan Beatty | Sleazy Businessman | Shooter | 1 | 1 |
| Matt Kennedy | Shooter | Jacov | 1 | 1 |
| Andre Tricoteux | Gora | War Chief #3 | 1 | 1 |
| Ian Collins | Joe | Young Man #2 | 1 | 1 |
| Justin Breault | Prison Guard #1 | Guard | 1 | 1 |
| Emy Aneke | Untouchable #2 | Mt. Weather Soldier #1 | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.