All 133 actors in both Arrow and Supergirl
133 actors have appeared in both Arrow and Supergirl, across 296 episodes. The most-credited is Audrey Marie Anderson, Lyla Michaels in Arrow and Lyla Michaels / Harbinger in Supergirl.
| Actor | In Arrow | In Supergirl | Eps | Eps |
|---|---|---|---|---|
| Audrey Marie Anderson | Lyla Michaels | Lyla Michaels / Harbinger | 39 | 1 |
| Caity Lotz | Sara Lance | Sara Lance / White Canary | 37 | 2 |
| Brandon Routh | Dr. Raymond "Ray" Palmer | Ray Palmer / The Atom | 20 | 1 |
| Jon Cryer | Lex Luthor | Lex Luthor | 1 | 20 |
| Emily Bett Rickards | Felicity Smoak | Felicity Smoak | 18 | 1 |
| Grant Gustin | Barry Allen | Barry Allen / The Flash | 14 | 5 |
| Katherine McNamara | Mia Smoak | Mia Smoak / Blackstar | 10 | 1 |
| Tyler Hoechlin | Clark Kent / Superman, Dr. John Deegan / Superman (Elseworlds) | Superman / Kal-El / Clark Kent, Dr. John Deegan / Superman (Elseworlds) | 2 | 6 |
| Carlos Valdés | Cisco Ramon | Cisco Ramon / Vibe | 6 | 3 |
| Curtis Lum | Vendor | Agent Demos | 1 | 7 |
| Melissa Benoist | Supergirl, Kara Zor-El (Earth-X) / Overgirl | Snowbird / Linda Lee / Red Daughter, Kara Zor-El (Earth-X) / Overgirl | 5 | 10 |
| Danielle Panabaker | Caitlin Snow | Caitlin Snow / Killer Frost | 5 | 2 |
| Jennifer Cheon | Officer Jones | Midnight | 5 | 1 |
| Paul Lazenby | Inmate, Mr. Robbins, Thug | Mandrax, Lead Fireman | 3 | 3 |
| Stephen Amell | Oliver Queen (Earth-X) / Dark Arrow | Oliver Queen / Green Arrow, Oliver Queen (Earth-X) / Dark Arrow, Oliver Queen / Green Arrow (Earth-16) | 1 | 3 |
| Alison Araya | Officer Lopez | District Attorney Diaz | 8 | 1 |
| Crystal Balint | Officer Thompson | Secretary Brown | 2 | 3 |
| Raphael Kepinski | Pilot | Kasnian General | 1 | 4 |
| Nickolas Baric | Nathan Sierra, Thug #1, Vincent Steelgrave | Acolyte #2, Infernian Attacker, Rabbit #1 | 3 | 4 |
| Aiden Stoxx | Young Connor Hawke | Joey | 2 | 2 |
| Claude Knowlton | Overlapping Personnel #2 | Silas | 1 | 3 |
| Michael Jonsson | Kodiak | Klaus | 4 | 1 |
| Sasha Piltsin | Lev | Kasnian Soldier | 1 | 4 |
| Tom Cavanagh | Dr. Harrison Nash Wells, Eobard Thawne / Harrison Wells / Reverse-Flash, Eobard Thawne / Reverse-Flash | Harrison Nash Wells / Pariah, Eobard Thawne / Reverse-Flash, Harrison Wells | 3 | 3 |
| Gaalen Engen | Judge McGarvey | Officiant | 3 | 1 |
| Jaeson Lee | Mercenary, Cavanaugh, SCPD Uni #1 | DEO Agent #1, Police Officer #2 | 6 | 2 |
| Marshall Bingham | Badass Inmate, Goon #1 | Guard #2, Robber | 2 | 3 |
| Patrick Sabongui | Captain David Singh, Soldier #2, Street Dealer | Captain David Singh | 5 | 1 |
| David Harewood | J'onn J'onzz | Hank Henshaw / Cyborg Superman | 1 | 5 |
| Fred Henderson | Mr. Gardner | Mayor | 1 | 3 |
| Timothy Lyle | Carl Roberto | Frank | 1 | 3 |
| Glenn Ennis | Ankov | Draaga, Eye-Patched Alien | 1 | 2 |
| LaMonica Garrett | The Monitor | Mar Novu / The Monitor | 3 | 3 |
| Chad Riley | Cop #1, ESU Officer, Halcones Gangbanger | Prison Guard | 4 | 1 |
| Lynda Boyd | Phaedra Nixon | Eve Teschmacher's Mother | 3 | 2 |
| Garwin Sanford | Justin Claybourne | Paul Nal | 1 | 1 |
| Hamza Fouad | Cyrus Broderick | Agent Lawrence | 3 | 1 |
| John Murphy | Father | Rock Starman / Derek | 2 | 2 |
| Josh Mazerolle | Fleeing Bratva, Inmate #1, Talon #1 | Army Guard | 3 | 1 |
| Ruby Rose | Kate Kane / Batwoman | Kate Kane / Batwoman | 2 | 2 |
| Fraser Aitcheson | Chains | COL 5, Head Guard | 1 | 2 |
| Michael Adamthwaite | Torque | Cooper | 1 | 2 |
| Dexter Bell | Gangbanger #2, Released Criminal, Security Guard | Buyer | 3 | 1 |
| Kirby Morrow | Matt Itsook | Officer Dean Petrocelli | 1 | 3 |
| Bob Frazer | Roger Hayden / Psycho Pirate | Luke's Father, Roger Hayden / Psycho Pirate | 1 | 2 |
| Elizabeth Tulloch | Lois Lane | Lois Lane | 1 | 2 |
| Erika Walter | Susan Lawton | Female | 1 | 2 |
| Mike Carpenter | Michael Ancona | Robber #1 | 1 | 1 |
| Mathew Yanagiya | Detective, Stan Washington | Nerdy Computer Programmer | 3 | 1 |
| Barry Nerling | Mechanic | Scar | 2 | 1 |
| David Quinlan | Reporter #4 | Quill | 2 | 1 |
| Parveen Dosanjh | Doris Chase | Dr. Park | 2 | 1 |
| Hugo Raymundo | Bodyguard, SCPD Unit #2 | Guard, Guard #1 | 2 | 2 |
| Michael Rogers | Sergei | Hannibal | 1 | 1 |
| Rochelle Okoye | Rookie | Finhead | 1 | 1 |
| Toni Marie Nielsen | Reporter | News Anchor #2 | 1 | 1 |
| Edwin Perez | Amir | Harry | 2 | 1 |
| John DeSantis | Reaper Tattoo | Draaga | 2 | 1 |
| Phillip Mitchell | Guard, Potluck | Drug Buyer | 2 | 1 |
| Reese Alexander | Lieutenant | Warden | 1 | 2 |
| Sachin Sahel | Waiter | McGill | 1 | 2 |
| Angelo Renai | Nate Parsons | Lillian's Attorney | 1 | 2 |
| Anna Van Hooft | Jenn | Jennifer Bates | 1 | 1 |
| Chris Peters | Briefcase Man | Second Guard | 1 | 1 |
| James Michalopolous | Black Hawk Guard | Goon 1, Igor Starros | 1 | 2 |
| Janet Glassford | Nurse | Customer #2 | 2 | 1 |
| Joel Cottingham | Prisoner #2 | Engineer | 1 | 1 |
| Neemish Parekh | Injured Chemist | Hari | 1 | 1 |
| Sandy Wayne Robson | Security Guard #1 | Scar | 1 | 1 |
| Marcello Guedes | John Jr. | Young Malefic | 2 | 1 |
| Sean Kuling | MP #1 | DEO Agent One | 1 | 2 |
| Daesha Danielle Usman | Katherine | Clerk | 1 | 1 |
| Drew Tanner | Rookie | Student | 1 | 1 |
| Georgia Hacche | Dina Salvati | Woman | 1 | 1 |
| Karin Konoval | Dr. Vaca | Senator Granberry | 1 | 1 |
| Lia Lam | Terrified Fan | DEO Agent | 1 | 1 |
| Marc-Anthony Massiah | Agent Kosinski | Dr. Andrew Stern | 1 | 1 |
| Tosca Baggoo | Parliamentarian | Governor Peña | 1 | 1 |
| Vincent Gale | Pyotr Friedkin | Dr. Vose | 1 | 1 |
| John Wesley Shipp | Barry Allen / The Flash (Earth-90) | Barry Allen / The Flash (Earth-90) | 2 | 1 |
| Byron Noble | Harold Backman | Dad | 1 | 1 |
| Javier Lacroix | Archibald | Curator | 1 | 1 |
| JoJo Ahenkorah | Albie | DEO Agent #1 | 1 | 1 |
| Marc Senior | Reporter #5 | Staffer #1 | 1 | 1 |
| Mark Gibbon | Ops Leader | General Zod | 1 | 1 |
| Nilo Ghajar | Student | Inmate #2 | 1 | 1 |
| Philip Prajoux | Bomb Squad Officer | Guy | 1 | 1 |
| Todd Thomson | Minister | Lir-Al | 1 | 1 |
| Jason Bell | Gholem Security | Cadmus Guard, COL 1 | 1 | 2 |
| Alex Zahara | Anthony Venza | Little Kryptonian Man | 1 | 1 |
| Alexander Vishniakoff | Galina's Handler | Minister of Defense | 1 | 1 |
| Artin John | Waiter | Camera Man COL | 1 | 1 |
| Candice Patton | Iris West | Iris West | 1 | 1 |
| Emy Aneke | Untouchable #2 | Shiv | 1 | 1 |
| Kapila Rego | A.R.G.U.S. Medical Tech | Lena's Assistant | 1 | 1 |
| Kent Thomson | Bodyguard | Police Officer | 1 | 1 |
| Noah Beggs | Drunk Guy | Police Officer #1 | 1 | 1 |
| Ronald Patrick Thompson | Supporter #1 | Dr. Frank Gale | 1 | 1 |
| Shaughnessy Redden | Agent | Kryptonian Emissary | 1 | 1 |
| Bryan Demore | Skull B | Security Guard | 1 | 1 |
| Charles Jarman | Mercenary #3 | Guard #1 | 1 | 1 |
| Chris Nowland | Partner | Grocer | 1 | 1 |
| David Jacox | Gravano | Driver | 1 | 1 |
| Dominic Purcell | Mick Rory / Heat Wave | Mick Rory / Heat Wave | 1 | 1 |
| Dominique Robinson | MP #2 | Young Adult Malefic | 1 | 1 |
| Donald Sales | Rob Reynolds | Platoon Captain | 1 | 1 |
| Jason Burkart | Lowlife | Customer #3 | 1 | 1 |
| Jay Hindle | Officer Benton | Joe Ford | 1 | 1 |
| Raf Rogers | HIVE Scientist | Earl | 1 | 1 |
| Barbara Patrick | SCPD Officer | Woman | 1 | 1 |
| Colby Wilson | Corrupt Cop #1 | Guard 2 | 1 | 1 |
| Elinet Louicius | Gate Guard | Guard | 1 | 1 |
| Jason Diablo | Jermaine Fisher | Gang Leader | 1 | 1 |
| Laura K. McDonald | Uni | Agent #1 | 1 | 1 |
| Mittita Barber | Screaming Woman | Vanita Ripson | 1 | 1 |
| Shawn Stewart | Guard #2 | Muscular Alien | 1 | 1 |
| Victor Garber | Martin Stein / Firestorm | Dr. Martin Stein / Firestorm | 1 | 1 |
| Dean Redman | Security Guard #2 | Shuster | 1 | 1 |
| Franz Drameh | Jefferson "Jax" Jackson / Firestorm | Jefferson "Jax" Jackson / Firestorm | 1 | 1 |
| Jeremy Davies | Dr. John Deegan | Dr. John Deegan | 1 | 1 |
| Paul Piaskowski | Male Scientist | Seller | 1 | 1 |
| Sheldon Trosko | Guard | Marine Guard #5 | 1 | 1 |
| Nick Hunnings | Task Force Leader | Kopy | 1 | 1 |
| Tarun Keram | Intern | Henry / Man in Tank | 1 | 1 |
| Cassandra Jean Amell | Nora Fries | Nora Fries | 1 | 1 |
| Flora Karas | CSI Tech | Receptionist | 1 | 1 |
| Ian Butcher | Ezra Barnes | Lionel Luthor | 1 | 1 |
| Ryan S. Williams | Lt. Sam Conahan | Marcus | 1 | 1 |
| Sage Brocklebank | Desk Guard | Guard | 1 | 1 |
| Desiree Zurowski | Family Lawyer | US Attorney Webb | 1 | 1 |
| Garett Bullock | Security Guard #2 | Griggs | 1 | 1 |
| Jason Bempong | Gang Leader | Moe | 1 | 1 |
| Ryan Mah | Cop #1 | Officer | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.