Actors in both Supergirl and The 100
68 actors have appeared in both Supergirl and The 100, across 226 episodes. The most-credited is Sachin Sahel, McGill in Supergirl and Eric Jackson in The 100.
| Actor | In Supergirl | In The 100 | Eps | Eps |
|---|---|---|---|---|
| Sachin Sahel | McGill | Eric Jackson | 2 | 59 |
| Luisa d'Oliveira | Breathtaker | Emori | 2 | 44 |
| Brenda Strong | Lillian Luthor | Queen Nia | 23 | 3 |
| Dichen Lachman | Roulette / Victoria Sinclair | Anya | 2 | 7 |
| Izabela Vidovic | Young Kara Zor-El, J'onzz's Daughter | Charlotte | 5 | 2 |
| Chris Browning | Ben Krull / Reactron | Jake Griffin | 1 | 4 |
| Paul Lazenby | Mandrax, Lead Fireman | Rockline Warrior, Sidekick | 3 | 4 |
| Bethany Brown | Instructor | Jade | 1 | 10 |
| JoJo Ahenkorah | DEO Agent #1 | Costa | 1 | 10 |
| Glenn Ennis | Draaga, Eye-Patched Alien | Ryder, Machete | 2 | 4 |
| Crystal Balint | Secretary Brown | Gemma Cadogan | 3 | 1 |
| Ben Sullivan | Guard | Riley | 2 | 6 |
| Lisa Chandler | Bystander #2, Soccer Mom | Observant Guard | 2 | 1 |
| Sean Kuling | DEO Agent One | Cassius | 2 | 7 |
| James Michalopolous | Goon 1, Igor Starros | Fio | 2 | 4 |
| Marshall Bingham | Guard #2, Robber | Miranda's Royal Guard | 3 | 1 |
| Nick Hunnings | Kopy | Lee | 1 | 4 |
| Brea Schneider | Caroline O'Conner | COG Warrior | 1 | 1 |
| Jennifer Cheon | Midnight | Dakiva | 1 | 1 |
| Malcolm Masters | Dr. Niles Jarrod | Conductor Corbett | 2 | 2 |
Cast data from TVmaze, licensed CC BY-SA 4.0.