Acting

Don O. Knowlton

Biography

Don O. Knowlton is known for Monsters (2022), Mindhunter (2017) and Criminal Minds (2005)

Known For

Monsters: The Lyle and Erik Menendez Story

Stuck in Development

Orson Welles' Great Mysteries

Filmography

15 titles · Newest first · Cast and crew credits

Animals

2026 · Movie

L.A. Times Reporter

Becoming

2026 · Movie

Archbishop Stroker

Ether's Paradise

2025 · Movie

The Best Man

Monsters: The Lyle and Erik Menendez Story

2024 · TV Show

Dan Stanton

Stuck in Development

2022 · TV Show

Tim Tuck

American Auto

2021 · TV Show

Hedge Fund Guy

Dent

2020 · Movie

Cast · Writer

MINDHUNTER

2017 · TV Show

Father Monaghan

To the Bone

2017 · Movie

Jack

Gigantic

2010 · TV Show

Charlie Maddock

Brutal

2007 · Movie

Doc McCall

Blackwater Valley Exorcism

2006 · Movie

McCall

Say I Do

2003 · Movie

The Best Man

Bad Assassin

2000 · Movie

Director · Screenplay

Orson Welles' Great Mysteries

1973 · TV Show

Writer