Osgood Robert "Oz" Perkins II (born February 2, 1974) is an American filmmaker and actor. He began his career as a child actor, portraying the young version of his father, Anthony Perkins' character Norman Bates in Psycho II (1983), and later appeared in films such as Six Degrees of Separation (1993), Legally Blonde (2001), Not Another Teen Movie (2001), Star Trek (2009), and Nope (2022).
He made his directorial debut with the horror film The Blackcoat's Daughter (2015) and has since become known for directing horror films such as I Am the Pretty Thing That Lives in the House (2016), Gretel & Hansel (2020), Longlegs (2024), and The Monkey (2025). He co-founded the production company Phobos with producer Chris Ferguson.

The Monkey
Uncle Chip
2025

Queer for Fear: The History of Queer Horror
Self · (1 episode)
2022

Nope
Fynn Bachman
2022

The Twilight Zone
Kanamit #2 · (1 episode)
2019

78/52
Self
2017

Electric Slide
Andy Segal
2014

Removal
Henry Sharpe
2010

Star Trek
Enterprise Communications Officer
2009

La Cucina
Chris
2007

October Road
Dr. Joshua Stone · (1 episode)
2007
The Utah Murder Project
Detective Charlie DeSantis
2006

Close to Home
Charlie Forsberg · (1 episode)
2005

Erosion
Steve
2005

Dead & Breakfast
Johnny
2004

Quigley
Guardian Angel Sweeney
2003

Secretary
Jonathan
2002

She Spies
Karg · (1 episode)
2002

Not Another Teen Movie
Uninterested Guy
2001

Alias
Coke Bottle Glasses · (2 episodes)
2001

Legally Blonde
Dorky David
2001

Wolf
Cop
1994

Six Degrees of Separation
Woody
1993

Psycho II
Young Norman
1983