Tom Welling plays Clark Kent, Michael Rosenbaum plays Lex Luthor, and Allison Mack plays Chloe Sullivan.
Main cast
- Clark KentTom WellingSeasons 1–10Main
- Lex LuthorMichael RosenbaumSeasons 1–7, guest 10Main
- Chloe SullivanAllison MackSeasons 1–10Main
- Lana LangKristin KreukSeasons 1–7, recurring 8Main
- Lois LaneErica DuranceSeasons 4–10Main
- Lionel LuthorJohn GloverSeasons 2–7, recurring 1, guest 10Main
- Martha KentAnnette O'TooleSeasons 1–6, guest 9–10Main
- Jonathan KentJohn SchneiderSeasons 1–5, guest 10Main
- Oliver Queen / Green ArrowJustin HartleySeasons 6–10Main
- Pete RossSam Jones IIISeasons 1–3, guest 7Main
- Tess MercerCassidy FreemanSeasons 8–10Main
- Jimmy OlsenAaron AshmoreSeasons 6–8Main
- Kara Zor‑El / Kara KentLaura VandervoortSeasons 7, recurring 8, guest 10Main
- Zod / General ZodCallum BlueSeasons 9–10Main
Supporting cast
- Whitney FordmanEric JohnsonSeasons 1–2Supp
- Jason TeagueJensen AcklesSeasons 4Supp
- Davis BloomeSam WitwerSeasons 8Supp
- Sheriff Nancy AdamsCamille MitchellSeasons 3–4, 5, 7Supp
- Nell PotterSarah‑Jane RedmondSeasons 1–2Supp
- John Jones / Martian ManhunterPhil MorrisSeasons 6–7, 8–10Supp
- Dr. Emil HamiltonAlessandro JulianiSeasons 8–10Supp
- Sheriff Ethan MillerMitchell KostermanSeasons 1–2Supp
- Dr. Helen BryceEmmanuelle VaugierSeasons 2–3Supp
- Milton Fine / BrainiacJames MarstersSeasons 5, 7, 8, 10Supp
Guest & voice
- Jor‑El (voice)Terence StampSeasons 2–10Voice
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About this cast
Smallville (2001–2011) is a US superhero drama that aired on The WB/CW. It follows a young Clark Kent in the titular town before he becomes Superman. The lead cast includes Tom Welling, Michael Rosenbaum, Allison Mack, Kristin Kreuk and Erica Durance.
Cast FAQs
Who plays Lana Lang in Smallville?
Kristin Kreuk plays Lana Lang.
Who is in the cast of Smallville?
The main cast includes Tom Welling, Michael Rosenbaum, Allison Mack, Kristin Kreuk, Erica Durance, John Glover, Annette O'Toole and John Schneider.
How many cast members are in Smallville?
The series has a total of 25 cast members, including 8 leads and 10 supporting roles.
Sources: IMDb · IMDb · Rotten Tomatoes · Fandom (Smallville Wiki) · IMDb · Updated June 2026