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.

Smallville · S2, E5

Nocturne

Clark discovers that a brooding stranger who is usually kept locked up in chains has been leaving love notes for Lana at her parents' grave.
Smallville · S2, E2

Heat

Lex marries Desiree Atkins, the new teacher at Smallville High, unaware of her true motives and that he is not the only man she has been flirting with. Meanwhile, Clark struggles to control his newest power - heat vision.
Smallville · S2, E7

Lineage

A woman claims to be Clark's mother, prompting the Kents to reveal what happened the fateful day they found their adopted son in a cornfield.
Smallville · S2, E8

Ryan

Ryan (from "Stray") returns and Clark has to save him from Dr. Garner of the Summerholt Research Facility. Meanwhile, Aunt Nell leaves Smallville, and Lex wants to expand the plant but runs afoul of the mayor.
Smallville · S2, E10

Skinwalkers

Clark falls into a cave and discovers two hidden treasures. One is a set of ancient Indian writings that hold the key to his identity, and the other is a beautiful girl whom he believes to be his soulmate.
Smallville · S2, E13

Suspect

When Lionel is shot in the manor, Jonathan is arrested. Clark and Pete suspect that others - including Lex - may be involved, and try to find out who pulled the trigger.

Mitchell Kosterman

Guest Appearances