Acting • AGE 42
Trever Branden O'Brien is an American actor from Newport Beach, California and the younger brother of actor Austin O'Brien.


In Time
Nomos
2011

Awkward.
2011

Mad Men
Doug
2007

Shark
Greg Bonner
2006

Gridiron Gang
Kenny Bates
2006

Grey's Anatomy
Bryan Greenberg
2005

House
Jim Dunnagan
2004

DodgeBall: A True Underdog Story
Derek
2004

Cold Case
Charlie Rinzler (1969)
2003

They Call Him Sasquatch
Phil Stuckling Jr.
2003

Without a Trace
Gil Rusk
2002

Motocrossed!
Andrew Carson
2001

CSI: Crime Scene Investigation
Peter Locke
2000

Michael Landon, the Father I Knew
Michael Landon Jr. - Age 15
1999

They Come at Night
Matt Schaeffer
1998

The Midas Touch
Billy
1997

What Love Sees
Gordy Holly
1996

Homecoming
James Tillerman
1996

Lawnmower Man 2: Beyond Cyberspace
Young Peter
1996

Nowhere Man
Young Tom
1995

Touched by an Angel
Robbie Stonelake
1994

Dweller
Matt