Born in Roseau, Minnesota, Garrett spent his early years growing up on a farm in a small town. When he was in the ninth grade his family moved to Scottsdale Arizona, where he began taking private acting lessons. After graduating high school, he immediately moved to Los Angeles to pursue an acting career. One month later, he'd landed the role of Achilles' cousin Patroclus in the major motion picture Troy (2004) opposite Brad Pitt. His next feature...
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Troy
As Patroclus
Eragon
As Murtagh
TRON: Legacy
As Sam Flynn
Death Sentence
As Billy Darley
Four Brothers
As Jack Mercer
The Absence of Eden
As Shipp
Friday Night Lights
As Don Billingsley
Georgia Rule
As Harlan Wilson
Country Strong
As Beau Hutton
The Ploughmen
As Val
Barron's Cove
As Caleb
TRON: The Next Day
As Sam Flynn
On the Road
As Dean Moriarty / Neal Cassady
Inside Llewyn Davis
As Johnny Five
Launching the Legacy
As Self
Visualizing TRON
As Self
Installing the Cast
As Self
Unbroken
As John Fitzgerald
Lullaby
As Jonathan
Pan
As James Hook
The Tutor
As Ethan Campbell
Inside 'Inside Llewyn Davis'
As Self
Mojave
As Thomas
Desperation Road
As Russell Gaines
Billy Lynn's Long Halftime Walk
As David Dime
Mudbound
As Jamie McAllan
Burden
As Mike Burden
Triple Frontier
As Ben Miller
Dreamland
As Perry Montroy
Party of the Century
Dirt Music
As Luther
Long Way Back Home
As Corey
The United States vs. Billie Holiday
As Harry Anslinger
Violent Talent
The Marsh King's Daughter
As Stephen
Modern Love
As Spence
Mosaic
As Joel Hurley
Lawmen: Bass Reeves
As Garrett Montgomery
Tulsa King
As Mitch Keller
JonBenét Ramsey
As Steve Thomas
