Biography
Don O. Knowlton is known for Monsters (2022), Mindhunter (2017) and Criminal Minds (2005)
Photos
star8.1
TV Show
MINDHUNTER
Father Monaghan
2017 • 2 episodes
star7.6
TV Show
Monsters: The Lyle and Erik Menendez Story
Dan Stanton
2024 • 1 episode
star5.6
TV Show
American Auto
Hedge Fund Guy
2021 • 1 episode
star3.0
TV Show
Gigantic
Charlie Maddock
2010 • 3 episodes
star7.2
Movie
To the Bone
Jack
2017
star2.0
TV Show
Stuck in Development
Tim Tuck
2022 • 8 episodes
Movie
Dent
2020
star3.8
Movie
Brutal
Doc McCall
2007
star3.9
Movie
Blackwater Valley Exorcism
McCall
2006
star5.0
Movie
Ether's Paradise
The Best Man
2025
star7.0
Movie
Say I Do
The Best Man
2003