Smallville Leech (Season 1, Episode 12)
TV-PG
TV Episode | 43 min | Action, Adventure, Drama

Smallville

Leech (Season 1, Episode 12)

TV-PG

TV Episode | 43 min | Action, Adventure, Drama

Clark and classmate Eric Summer are both struck by lightning while Eric is holding a meteor rock, and Clark's powers are transferred to Eric. While Clark experiences normal humanity, the emotionally challenged Eric goes on a rampage.

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Cast	+ Add Cast
21 cast members

Name	Known for
Tom Welling Clark Kent Clark Kent See fewer	Smallville (2001)
Kristin Kreuk Lana Lang Lana Lang See fewer	EuroTrip (2004)
Michael Rosenbaum Lex Luthor Lex Luthor See fewer	Guardians of the Galaxy Vol. 3 (2023)
Eric Johnson Whitney Fordman Whitney Fordman See fewer	Fifty Shades Darker (2017)
Sam Jones III Pete Ross Pete Ross See fewer	Krews (2010)
Allison Mack Chloe Sullivan Chloe Sullivan See fewer	Smallville (2001)
Annette O'Toole Martha Kent Martha Kent See fewer	Superman III (1983)
John Schneider Jonathan Kent Jonathan Kent See fewer	The Dukes of Hazzard (1979)
Kelly Brook Victoria Hardwick Victoria Hardwick See fewer	Piranha 3D (2010)
Kevin McNulty Mr. Summers Mr. Summers See fewer	Snakes on a Plane (2006)
Sarah-Jane Redmond Nell Potter Nell Potter See fewer	Siren (2018)
P. Lynn Johnson Mrs. Summers Mrs. Summers See fewer	The Invisible (2007)
William Samples Harry Hardwick Harry Hardwick See fewer	The Big Year (2011)
Tom O'Brien Roger Nixon Roger Nixon See fewer	The Astronaut's Wife (1999)
Shawn Ashmore Eric Summers Eric Summers See fewer	X2 (2003)
Will Sanderson Brent Brent See fewer	In the Name of the King: A Dungeon Siege Tale (2007)
Ashley Presidente Holly Holly See fewer	Smallville (2001)
Julian Christopher Dr. MacIntyre Dr. MacIntyre See fewer	X-Men: The Last Stand (2006)
Mitchell Kosterman Sheriff Ethan Miller Sheriff Ethan Miller See fewer	Smallville (2001)
John Glover Lionel Luthor (voice) (uncredited) Lionel Luthor (voice) (uncredited) See fewer	Scrooged (1988)
Lauro David Chartrand-Del Valle Thief (uncredited) Thief (uncredited) See fewer	Shōgun (2024)