Thomas Dekker
Acting
73
Acting Credits
2
Directed
Biography
Thomas Alexander Dekker (born December 28, 1987) is an American film and television actor and a musician. He is also a singer and has written and produced two albums. He is best known for his roles as John Connor in Terminator: The Sarah Connor Chronicles, Nick Szalinski on Honey, I Shrunk the Kids: The TV Show, and Zach on Heroes. He also did the voice of Littlefoot in The Land Before Time V-IX (singing voice in The Land Before Time V) and as Fievel Mousekewitz in An American Tail: The Treasure...
Known For
Filmography
Boris Is Dead
2026
as Antonio
Artichoke
2026
Exit Interviews
2025
as Joseph
An American Family at 50
2024
as Self
ARK: The Animated Series
2024
as Lawrence (voice)
X-Men '97
2024
as Quentin Quire (voice)
Little Dixie
2023
as Clarke Moore
The Rookie: Feds
2022
as Owen/Jeffrey Boyle
Swimming with Sharks
2022
as Travis
Body Brokers
2021
as Jacko
Blue Call
2021
as Derek
Star Trek: Picard
2020
as Titus Rikka
A.I. 187
2019
as Nate Palmer
Miss Bala
2019
as Makeup Supervisor
Once Upon a Superhero
2018
as Teeto
The Rookie
2018
as Jeffrey Boyle
Do You Take This Man
2017
as Bradley
It Takes a Village: The Making of Village of the Damned
2016
as Self
Welcome to Willits
2016
as Klaus
Backstrom
2015
as Gregory Valentine
Squatters
2014
as Jonas Trumball
Fear Clinic
2014
as Blake
Lost in the White City
2014
as Kyle
The Good Lie
2013
as Cullen Francis
Enter the Dangerous Mind
2013
as Jake
Plush
2013
as Jack
Cinema Verite
2011
as Lance Loud
ChromeSkull: Laid to Rest 2
2011
as Tommy
Angels Crest
2011
as Ethan
Foreverland
2011
as Bobby
The Secret Circle
2011
as Adam Conant
A Nightmare on Elm Street
2010
as Jesse Braun
Kaboom
2010
as Smith
All About Evil
2010
as Steven
Laid to Rest
2009
as Tommy
My Sister's Keeper
2009
as Taylor Ambrose
Glenn Martin, DDS
2009
as (voice)
From Within
2008
as Aidan
Whore
2008
as Tom
Terminator: The Sarah Connor Chronicles
2008
as John Connor
IQ-145
2008
as Nate Palmer
The Land Before Time: 2 DinoRiffic Adventures
2006
as Littlefoot
Shark
2006
as Ben Channing
Heroes
2006
as Zach
Campus Confidential
2005
as Brett
House
2004
as Boyd
The Land Before Time IX: Journey to Big Water
2002
as Littlefoot (voice)
The Mummy: Quest for the Lost Scrolls
2002
as Simon Montgomery (voice)
Fillmore!
2002
as James Heron (voice)
The Land Before Time VIII: The Big Freeze
2001
as Littlefoot (voice)
Reba
2001
as Buzzer
The Land Before Time VII: The Stone of Cold Fire
2000
as Littlefoot (voice)
Boston Public
2000
as Julien McNeal
Jackie Chan Adventures
2000
as Young Valmont (voice)
CSI: Crime Scene Investigation
2000
as Jimmy Jones
Grosse Pointe
2000
as Leslie Chupak
An American Tail: The Mystery of the Night Monster
1999
as Fievel Mousekewitz (voice)
Family Guy
1999
as Kid in bathroom (voice)
An American Tail: The Treasure of Manhattan Island
1998
as Fievel Mousekewitz (voice)
The Land Before Time VI: The Secret of Saurus Rock
1998
as Littlefoot (voice)
The Land Before Time V: The Mysterious Island
1997
as Littlefoot (singing voice)
Honey, I Shrunk the Kids: The TV Show
1997
as Nick Szalinski
The Weird Al Show
1997
as Son
Men in Black: The Series
1997
as Additional Voices (voice)
7th Heaven
1996
as Vincent
Village of the Damned
1995
as David
Star Trek: Voyager
1995
as Henry Burleigh
Caroline in the City
1995
as Young Richard
Star Trek: Generations
1994
as Picard's Kid
Touched by an Angel
1994
as Dennis
The Nanny
1993
as J.B. Bingington's Son
Seinfeld
1989
as Bobby
Seinfeld
1989
as Bobby (voice)