Who plays Sheriff Cooley in O Brother, Where Art Thou??

Sheriff Cooley is played by Daniel von Bargen.

How is Sheriff Cooley connected to other characters?

Sheriff Cooley has 2 mapped relationships in O Brother, Where Art Thou?. Explore the interactive relationship map for details.

Sheriff Cooley — Conflict Pursuer And Fugitive — Everett (George Clooney)
Cooley remains Everett's most persistent law-enforcement threat.

Sheriff Cooley is alerted to the escapees, burns the barn where they sleep, later arrests them, and orders their hanging despite their claimed pardons...
Sheriff Cooley — Conflict Captured Criminal — George Nelson (Michael Badalucco)
George's criminal career brings him into direct conflict with the authorities.

George Nelson is captured, paraded through town in chains, and scheduled for execution.