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Tommy O'Brien

Cast & creator

Tommy O'Brien

Best known for Grey's Anatomy, Shameless, grown-ish

Movies

7

film credits

Series

8

television credits

Career

13

2005–2026 · acting roles

Credit score

7.1

average across scored titles

Signature credits

Known for

Ordered by popularity

Grey's Anatomy

Grey's Anatomy

Young Alex Karev · 2005

Shameless

Shameless

Alex · 2011

grown-ish

grown-ish

Phil · 2018

GLOW

GLOW

Steve · 2017

Watson

Watson

Zach · 2025

Across film & television

Filmography (15)

Search filmography

Showing 15 of 15 credits

Grey's Anatomy

Grey's Anatomy

Young Alex Karev

Shameless

Shameless

Alex

grown-ish

grown-ish

Phil

GLOW

GLOW

Steve

Watson

Watson

Zach

Stumptown

Stumptown

Chaz

Line of Fire

Line of Fire

Mike "Micah" Hollingsworth Jr

Unbelievable

Unbelievable

Scott Parrish

Weird: The Al Yankovic Story

Weird: The Al Yankovic Story

Bermuda

Crazy

Crazy

Charlie

Nobody Knows

Nobody Knows

Ross Bottoms

Road to Perth

Road to Perth

Alex

Road to Perth

Road to Perth

Co-Writer

Road to Perth

Road to Perth

Producer

Sad Indie White Boy

Sad Indie White Boy

Noah