Smallville was a coming-of-age story centered around Clark Kent's teenage years in the eponymous rural town. Featuring a string of classic Superman characters, the series blended teen drama with a superhero narrative to create a unique story that lasted until Superman: Legacy.

12 Tom Welling Starred As Clark Kent

Tom Welling Is Currently Staring In The Professionals

Tom Welling starred as Clark Kent in Smallville, with the narrative primarily depicting his transformation into the superhero Superman. Since Smallville, Welling has maintained a diverse career in both television and cinema. He notably starred in the TV series Hellcats and Lucifer, gaining acclaim for his portrayal of Marcus Pierce. Welling also ventured into directing with episodes of Smallville, and continued directing on Hellcats also. Welling starred opposite Brendan Frasier in the series Professionals, where he starred as a mercenary and former intelligence officer. The first season of The Professionals debuted on Viaplay, with a second season planned.

11 Kristin Kreuk Played Lana Lang

Kristin Kreuk Is Set To Star In Murder In A Small Town

Kristin Kruek appeared in Smallville as Clark's primary love interest, Lana Lang. After Smallville, Kruek continued her acting career with diverse roles. She starred in the television series, Beauty and the Beast and played a prominent role in the legal drama Burden of Truth. Additionally, Kruek has appeared in numerous films, including Street Fighter: The Legend of Chun-Li, EuroTrip, and Snow White: The Fairest of Them All. Beyond acting, Kruek co-founded the production company Pavarti Creative to female-centric storytelling. In 2023, Kruek also appeared in four episodes of Jack Reacher and is set to appear in the series, Murder in a Small Town.

10 Michael Rosenbaum Played Lex Luthor

Michael Rosenbaum Is Still A Prolific Actor

Michael Rosenbaum is considered by many to be the best live-action Lex Luthor ever. Since portraying the villain in Smallville, Rosenbaum has enjoyed a versatile career in acting, writing, and podcasting. Rosenbaum's acting credits include playing Martinex in Guardians of the Galaxy Vol. 2 and Vol. 3, and appearing in Hit and Run. He has also lent his voice to animated projects, including Justice League and Teen Titans. Aside from acting, Rosenbaum created and hosts the podcasts Inside of You with Michael Rosenbaum, and Talkville, which he hosts with Tom Welling. Rosenbaum also played a lead role in the series Impastor and is the lead singer of a band called Sun Spin.

9 Sam Jones III Played Pete Ross

Sam Jones III Is Still Acting

Sam Jones III portrayed Smallville's Pete Ross, Clark's friend and confidant. Jones ultimately left the show after season 3, though Pete Ross did return for a single episode in Smallville season 7. Jones has continued acting following Smallville, appearing in several popular television shows, including a recurring character on ER, Blue Mountain State, Bones, and CSI: Crime Scene Investigation. In 2011, Jones faced some legal issues, but since then, has returned to acting. His most recent role was in the 2018 thriller All Light Will End, but he also starred in 2016's Diagnosis Delicious, along with a smattering of television appearances.

8 Annette O'Toole Played Martha Kent

Annette O'Toole Is Currently Starring In Virgin River

Annette O'Toole was celebrated as Clark's adopted mother, Martha Kent, and has had a celebrated career both before and after Smallville. After Smallville, O'Toole appeared in Grey's Anatomy, Women Who Kill, and the 2019 movie Blow the Man Down. O'Toole has also enjoyed a musical career, working with her husband, Michael McKean - known for Spinal Tap. Since 2019, O'Toole has starred in Netflix's Virgin River, playing the mayor of the eponymous town, Hope McCrea. Virgin River has been renewed for a sixth season which will air in 2024.

7 John Schneider Played Jonathan Kent

John Schneider Is Still Acting In Many Projects

John Schneider played the beloved adoptive father to Clark Kent, Jonathan. Scheider was a well-known actor before Smallville, starring as one-half of the famed Dukes of Hazard. Scheider also boasts a prolific musical career, releasing a swathe of country music albums. Schneider has continued acting on both television and cinema but has slowed down slightly in recent years. Schneider appeared in 2023's season of The Masked Singer, where he finished second place. Schneider's other most recent acting credits include the 2023 movies The Confession Musical and Jingle Smells.

6 Allison Mack Played Chloe Sullivan

Allison Mack Was Released From Prison In 2023

Allison Mack starred in Smallville as one of Clark Kent's closest school friends, Chloe Sullivan. Sullivan remained on the series until its conclusion, and since then, Mack has appeared in two Smallville web series and in the sitcom Wilfred. Mack continued acting in a handful of guest roles, until 2018, when she was embroiled with the NXIVM cult and was convicted of sex trafficking charges. Mack pleaded guilty and was sentenced to three years in prison. However, Mack was released in July 2023, after serving 21 months. There has been no indication since whether she will resume her acting career.

5 John Glover Starred As Lionel Luthor

John Glover Continues To Work Extensively On TV

In Smallville, John Glover portrayed Lionel Luthor, Lex Luthor's villainous father. Glover was so compelling in the role, it garnered a surprising amount of sympathy for his evil son. Glover enjoyed a highly productive career before Smallville, starring in numerous television shows and voicing the Riddler in various animated DC movies and shows. Since Smallville, Glover appeared in the movie Shazam! and in five episodes of Fear the Walking Dead, made guest appearances in Lucifer and Brimstone, and starred as an SSR informant in an episode of Agent Carter. His most recent acting credit is a 2023 episode of the comedy-drama And Just Like That.

4 Erica Durance Played Lois Lane

Erica Durance Still Works Extensively In Television

Erica Durance portrayed Smallville's rendition of the beloved comic book character Lois Lane. Her character wasn't introduced until Smallville season 4 and remained on the show until its season 10 conclusion. Since then, Durance has had a litany of television roles, including a primary character in the supernatural medical drama Saving Hope. Durance returned to superhero shows when she starred as Alura Zor-El in the Supergirl series, appearing in 10 episodes. Along with Welling's Superman, Durance appeared in Batwoman during the "Crisis on Infinite Earths" episodes. In 2023, Durance starred in two television movies, Unexpected Grace and Ms. Christmas Comes to Town.

3 Aaron Ashmore Played Jimmy Olsen

Aaron Ashmore Still Works On Television

Aaron Ashmore brought the Superman character Jimmy Olsen to life for Smallville. He appeared briefly in season 6, before assuming a main role for seasons 7 and 8. Since then, Ashmore has worked continuously, having a recurring role in Lost Girl, and a leading role in the Canadian space drama Killjoys. Ashmore appeared throughout the science fiction drama Warehouse 13 and in the fantasy series Locke & Key. Ashmore frequently appears in a handful of episodes on numerous television series and in several TV movies - including The Santa Squad and Pretty Cheater, Deadly Lives. In 2023, Ashmore had a recurring role in the comedy-drama Ginny & Georgia.