Mitchell Kosterman

Mitchell Arthur Edgar Kosterman is a Canadian actor. He was born in Vancouver, British Columbia, Canada. He is probably best known for his role as Sheriff Ethan Miller in Smallville.

SMALLVILLES1, E8

Jitters

An edgy janitor takes Clark's high-school class hostage at LuthorCorp, claiming his jitters were caused by a mysterious contaminant.
SMALLVILLES1, E9

Rogue

After a bad cop sees Clark use his superpowers, he is compelled to join forces with the rogue officer to protect his secret identity. Meanwhile, an old flame makes an intriguing proposal to Lex.
SMALLVILLES1, E6

Hourglass

An old woman grants Clark a glimpse of his future, while Lex takes advantage of the seer's gift to learn more about his friend's secret. Meanwhile, a bitter old man is rejuvenated by a fountain of youth.
SMALLVILLES1, E4

X-Ray

Clark is staggered by his newfound ability to see through solid objects with X-ray vision, especially when he witnesses Lex Luthor commit a bank robbery. Elsewhere, a shape-shifting teenager threatens Lana.
SMALLVILLES1, E12

Leech

A lightning strike transfers Clark's superpowers to a classmate, who begins to abuse his new abilities. Meanwhile, Lex thinks he has proof of Clark's superpowers.
SMALLVILLES1, E14

Zero

Clark is unsettled when a class project has Chloe delving into his past, and Lex has problems of his own when a man he thought long dead turns up seeking vengeance.

Mitchell Kosterman

Guest Appearances