Smallville (TV) Cast
The cast of Smallville. Updated on September 20, 2025.
604 actors
Tom Welling
as Clark Kent (216 episodes)

Tom Welling portrays the lead character, Clark Kent, in Smallville. Clark is an alien from the planet Krypton who possesses superhuman abilities, including incredible strength, speed, and the power of flight. Throughout the series, he struggles to control his powers and learns to use them for the greater good.

Erica Durance
as Lois Lane (140 episodes)

Erica Durance takes on the role of Lois Lane in Smallville. Lois is an ambitious and determined journalist who joins the staff of the Daily Planet newspaper. She has a love-hate relationship with Clark but eventually becomes one of his closest allies and love interest.

Kristin Kreuk
as Lana Lang (157 episodes)
Cassidy Freeman
as Tess Mercer (64 episodes)

Cassidy Freeman portrays Tess Mercer, a major character in Smallville. Tess is initially introduced as a businesswoman who takes over the management of LuthorCorp. Throughout the series, her complex backstory is unraveled as she becomes involved with the main characters and plays a significant role in the overall story arc.

Michael Rosenbaum
as Lex Luthor (153 episodes)
Callum Blue
as Zod (22 episodes)

Callum Blue plays Zod in Smallville. Zod is a Kryptonian warlord and one of Clark's most formidable adversaries. He possesses superhuman strength and agility and poses a constant threat to Clark's secret identity and the safety of Smallville.

Jensen Ackles
as Jason Teague (22 episodes)

Jensen Ackles portrays the character of Jason Teague in Smallville. Jason is a high school football coach and the love interest of Lana Lang. He becomes entangled in the mysticism and secrets surrounding Smallville and plays a pivotal role in Clark's journey.

Allison Mack
as Chloe Sullivan (195 episodes)

Allison Mack plays the character of Chloe Sullivan in Smallville. Chloe is Clark's best friend and a skilled investigative journalist. She discovers Clark's secret and becomes an integral part of his support system, aiding him in his missions to protect Smallville.

John Glover
as Lionel Luthor (144 episodes)
Justin Hartley
as Oliver Queen (72 episodes)

Justin Hartley takes on the role of Oliver Queen, also known as Green Arrow, in Smallville. Oliver is a billionaire playboy turned vigilante who fights crime using archery and other gadgets. He becomes a close ally and mentor to Clark throughout the series.

Annette O'Toole
as Martha Kent (135 episodes)
Laura Vandervoort
as Kara Kent (63 episodes)

Laura Vandervoort portrays Kara Kent, also known as Supergirl, in Smallville. Kara is Clark's Kryptonian cousin who crash-landed on Earth after Krypton's destruction. She possesses powers on par with Clark and helps him in his never-ending battle against evil.

John Schneider
as Jonathan Kent (113 episodes)
Sam Witwer
as Davis Bloome (22 episodes)
Sam Jones
as Pete Ross (67 episodes)
Aaron Ashmore
as Jimmy Olsen (53 episodes)
Eric Johnson
as Whitney Fordman (23 episodes)
Ryan Kelley
as Ryan James (2 episodes)
Lizzy Caplan
as Tina Greer (2 episodes)
Jonathan Taylor Thomas
as Ian Randall (2 episodes)
Jesse Metcalfe
as Van McNulty (2 episodes)
Daniel Bacon
as FBI Agent (2 episodes)
Mark Acheson
as Magistrate Wilkins (2 episodes)
Leonard Roberts
as Nam-Ek (2 episodes)
John Novak
as Gary Bergen (2 episodes)
Alan Ritchson
as Arthur Curry (4 episodes)
Kyle Gallner
as Bart Allen (3 episodes)
Elyse Levesque
as Casey Brock (2 episodes)
Robert Picardo
as Edward Teague (2 episodes)
Barbara Kottmeier
as Adrianna (1 episode)
Charlotte Sullivan
as Maxima (1 episode)
Alexz Johnson
as Imra Ardeen / Saturn Girl (2 episodes)
Byron Lawson
as Terrence (1 episode)
Brent Stait
as Kent Nelson / Dr. Fate (1 episode)
Phil Morris
as John Jones (9 episodes)
Michael McKean
as Perry White (2 episodes)
Teri Hatcher
as Ella Lane (1 episode)
Eric Martsolf
as Booster Gold (1 episode)
Nicki Clyne
as Talon Waitress (1 episode)
John Pyper-Ferguson
as Dr. William McBride (1 episode)
Amara Zaragoza
as Kyla Willowbrook (1 episode)
Micah Alberti
as Nathan Dean (1 episode)
Tania Saulnier
as Jenna Barnum (1 episode)
Jackie Burroughs
as Cassandra Carver (1 episode)
Amy Adams
as Jodi Melville (1 episode)
Marguerite Moreau
as Carrie Castle (1 episode)
Dominic Zamprogna
as Bruno Mannheim (1 episode)
Azura Skye
as Amy Palmer (1 episode)
Kelly Brook
as Victoria Hardwick (4 episodes)
William Sanderson
as Brent (1 episode)
Laura Mennell
as Toni (1 episode)
Corin Nemec
as Jude Royce (1 episode)
Sheila Moore
as Mrs. Sikes (1 episode)
Terence Kelly
as Prison Doctor (1 episode)
Adam Brody
as Justin Gaines (1 episode)
Andrew Jackson
as Ray Wallace (1 episode)
Brianna Brown
as Abigail Fine (1 episode)
Eric Keenleyside
as Mike the Bartender (1 episode)
Krista Allen
as Desiree Atkins (1 episode)
Garwin Sanford
as Mr. Brooks (1 episode)
Gwynyth Walsh
as Mrs. Moore (1 episode)
Maggie Lawson
as Chrissy Parker (1 episode)
Kevin Zegers
as Seth Nelson (1 episode)
Kevin Gage
as Pine (1 episode)
Dayna Devon
as Talon Customer (1 episode)
Jodelle Ferland
as Emily Dinsmore (1 episode)
David Orth
as Doctor (1 episode)
Shaun Sipos
as Chloe's boy thing (1 episode)
Chad Faust
as Kyle (1 episode)
Joe MacLeod
as Delivery Guy (1 episode)
P.J. Prinsloo
as Punk (1 episode)
Zachery Ty Bryan
as Eric Marsh (1 episode)
Arnie Walters
as Reverend (1 episode)
Anna Cummer
as Passing reporter (1 episode)
Katharine Isabelle
as Sara Conroy (1 episode)
John Mann
as Lachlan Luthor (1 episode)
Michael Benyaer
as Assassin (1 episode)
Martin Cummins
as Lawrence Garner (3 episodes)
Matt Adler
as Lex Luthor (voice) (1 episode)
Joseph Cross
as Jordan Cross (1 episode)
Ryan Merriman
as Jason Dante (1 episode)
Kate Robbins
as Teacher (1 episode)
Derek Hamilton
as Tim Westcott (1 episode)
Andrew Francis
as William Taylor (1 episode)
Adrianne Palicki
as Kara / Lindsey Harrison (1 episode)
Amanda Walsh
as Mandy (1 episode)
Michael Ironside
as General Sam Lane (3 episodes)
Trent Ford
as Mikhail Mxyzptlk (1 episode)
Samantha Ferris
as Anita Stone (1 episode)
Tom Butler
as Lawrence Grady (1 episode)
Veena Sood
as Schoolteacher (1 episode)
Brooke Nevin
as Buffy Sanders (1 episode)
Kenny Johnson
as Tommy Lee (1 episode)
Johnny Lewis
as Gabriel Duncan (1 episode)
Tom Wopat
as Senator Jack Jennings (1 episode)
Sarah Lind
as Deputy Harris (1 episode)
Denise Quiñones
as Andrea Rojas / Angel of Vengeance (1 episode)
Brent Sheppard
as Detective Berg (1 episode)
Mackenzie Gray
as Dr. Alistair Kreig (1 episode)
Nichole Hiltz
as Simone Charcot (1 episode)
For the best insights and data about the TV show Smallville, visit our main Smallville page.