Actors in both Battlestar Galactica and Smallville
96 actors have appeared in both Battlestar Galactica and Smallville, across 290 episodes. The most-credited is Alessandro Juliani, Felix Gaeta in Battlestar Galactica and Dr. Emil Hamilton in Smallville.
| Actor | In Battlestar Galactica | In Smallville | Eps | Eps |
|---|---|---|---|---|
| Alessandro Juliani | Felix Gaeta | Dr. Emil Hamilton | 48 | 14 |
| Michael Hogan | Saul Tigh | Slade Wilson | 51 | 2 |
| Tahmoh Penikett | Karl "Helo" Agathon | Wesly Keenan, Vince Davis | 48 | 3 |
| Rekha Sharma | Tory Foster | Dr. Harden | 31 | 7 |
| Donnelly Rhodes | Dr. Cottle | Milash | 36 | 1 |
| Kandyse McClure | Anastasia "Dee" Dualla | Harmony | 54 | 1 |
| Aaron Douglas | Galen Tyrol | Deputy Michael Vertigo, Pierce | 49 | 2 |
| Callum Keith Rennie | Leoben Conoy, Number Two | Tyler McKnight | 20 | 1 |
| Colin Lawrence | Ensign Hamish "Skulls" McCall | Agent Stocker, Captain Nichols, Doctor | 13 | 3 |
| Alisen Down | Jean Barolay | Lillian Luthor | 8 | 5 |
| Mike Dopud | Specialist Gage, Gage | Security Guard George | 3 | 10 |
| Lorena Gale | Elosha | Dr. Claire Foster | 8 | 3 |
| Luciana Carro | Captain Louanne "Kat" Katraine | Karen, Talon Waitress | 17 | 2 |
| Nicki Clyne | Callandra "Cally" Henderson | Rose | 36 | 1 |
| Ryan McDonell | Lt. Eammon "Gonzo" Pike, Pilot #3 | Stuart Campbell | 5 | 4 |
| Adrian Holmes | Specialist Parr | Basqat, Griff | 1 | 7 |
| Robert Wisden | Wallace Gray | Gabe Sullivan | 1 | 6 |
| Don Thompson | Specialist 3rd Class Anthony Figurski | Jack Cole | 10 | 2 |
| Malcolm Stewart | Marshall Bagot | Dr. Otis Ford, Dr. Sinclair, Jim Melville | 3 | 3 |
| Dominic Zamprogna | James "Jammer" Lyman | Bruno Mannheim | 10 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.