Cameron Monaghan
Acting1993Santa Monica, California, USA
Biography
Cameron Riley Monaghan (born August 16, 1993) is an American actor and model. The accolades he has received include nominations for a BAFTA Award and a Critics' Choice Television Award.
Monaghan is known for his roles as Ian Gallagher in the Showtime comedy-drama series Shameless and as twins Jerome and Jeremiah Valeska, who serve as the Joker's origins on the DC Comics-based TV series Gotham. He also portrayed Cal Kestis in the action-adventure game Star Wars Jedi: Fallen Order and its sequel Jedi: Survivor. Monaghan began his career as a child model at the age of three and as a child actor at the age of seven.
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Known For
Acting History
2025
TRON: Ares
as Caius
FOXBODY
as Clyde
LEGO Star Wars: Rebuild the Galaxy - Pieces of the Past
TVas Cal Kestis (voice)
FOXBODY
Director
FOXBODY
Writer
FOXBODY
Executive Producer
2022
Shattered
as Chris Decker
2020
Joker: Put on a Happy Face
as Jeremiah Valeska/The Joker (archive footage)
Acting for a Cause
TVas Ferris Bueller• 1 eps
A Little Late with Lilly Singh
TVas Self• 1 eps
Shameless Hall of Shame
TVas Ian Gallagher
2019
Reign of the Supermen
as Connor Kent / Superboy (voice)
The Death and Return of Superman
as Connor Kent / Superboy (voice)
Gotham
TVas Jerome Valeska / Jeremiah Valeska / Joker• 1 eps
2018
The Year of Spectacular Men
as Ross
Love Daily
TVas Aaron
2017
Amityville: The Awakening
as James Walker
2016
Mercy Street
TVas Tom Fairfax• 12 eps
2014
2012
Law & Order: Special Victims Unit
TVas Eddie Sandow• 1 eps
2011
Prom
as Corey Doyle
Shameless
TVas Ian Gallagher• 134 eps
NCIS
TVas Nick Peyton• 1 eps
Rizzoli & Isles
TVas Jonathan McKenna• 1 eps
2010
Another Harvest Moon
as Jack
Terriers
TVas Cody Grice• 1 eps
2009
The Three Investigators in The Secret of Terror Castle
as Bob Andrews
Safe Harbor
as Larry Parker
Numb3rs
TVas Todd• 1 eps
Fringe
TVas Tyler Carson• 1 eps
The Mentalist
TVas Elliot• 1 eps
James Gunn's PG Porn
TVas Young Boy 1• 1 eps
Monk
TVas Danny Cooper• 1 eps
2008
Dog Gone
as Dexter
2007
The Three Investigators in The Secret of Skeleton Island
as Bob Andrews
2006
Click
as Kevin O'Doyle
The Santa Clause 3: The Escape Clause
as Traffic Cop #1
Criminal Minds
TVas Jeffrey Charles / (archive footage)• 1 eps
2005
Brothers in Arms
as Timmy
Ned's Declassified School Survival Guide
TVas Palmer Noid• 3 eps
Avatar: The Last Airbender
TVas Twin 1 (voice)• 1 eps
2004
Malcolm in the Middle
TVas Chad• 6 eps
2003
The Music Man
as Winthrop Paroo
Law & Order
TVas Eddie Sandow• 1 eps
2002
Adrenaline Rush: The Science of Risk
as student (uncredited)