Cameron Monaghan

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.

Description above from the Wikipedia article Cameron Monaghan, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Known for

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TRON: Ares

2025 ⭐ 6.5

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DC Showcase: Kamandi: The Last Boy on Earth!

2021 ⭐ 6.3

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Joker: Put on a Happy Face

2020 ⭐ 8.0

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The Death and Return of Superman

2019 ⭐ 6.7

Career timeline

2025

TRON: Ares Notable

Caius · 2025

⭐ 6.5

FOXBODY

Clyde · 2025

2023

My Love Affair with Marriage

Sergei (voice) · 2023

⭐ 5.4

2022

Paradise Highway

Special Agent Finley Sterling · 2022

⭐ 5.9

Shattered

Chris Decker · 2022

⭐ 5.7

2021

DC Showcase: Kamandi: The Last Boy on Earth!

Kamandi (voice) · 2021

⭐ 6.3

2020

Joker: Put on a Happy Face Notable

Jeremiah Valeska/The Joker (ar · 2020

⭐ 8.0

2019

The Death and Return of Superman Notable

Connor Kent / Superboy (voice) · 2019

⭐ 6.7

Reign of the Supermen Notable

Connor Kent / Superboy (voice) · 2019

⭐ 7.0

Anthem of a Teenage Prophet

Luke Hunter · 2019

⭐ 6.4

2018

The Year of Spectacular Men

Ross · 2018

⭐ 5.6

2017

Amityville: The Awakening Notable

James Walker · 2017

⭐ 5.4

2014

The Giver Notable

Asher · 2014

⭐ 6.6

Jamie Marks Is Dead

Adam McCormick · 2014

⭐ 5.5

Mall

Jeff · 2014

⭐ 4.6

2012

2nd Serve

Jake · 2012

⭐ 4.4

2011

Prom

Corey Doyle · 2011

⭐ 6.1

2010

Another Harvest Moon

Jack · 2010

⭐ 4.7

2009

Safe Harbor

Larry Parker · 2009

⭐ 5.4

The Three Investigators in The Secret of Terror Castle

Bob Andrews · 2009

⭐ 6.3

2008

Dog Gone

Dexter · 2008

⭐ 6.5

2007

The Three Investigators in The Secret of Skeleton Island

Bob Andrews · 2007

⭐ 6.3

2006

The Santa Clause 3: The Escape Clause Notable

Traffic Cop #1 · 2006

⭐ 5.6

Click Notable

Kevin O'Doyle · 2006

⭐ 6.3

2005

Brothers in Arms

Timmy · 2005

⭐ 3.5

2003

The Music Man

Winthrop Paroo · 2003

⭐ 5.6

2002

Adrenaline Rush: The Science of Risk

student (uncredited) · 2002

⭐ 6.2

Frequently appears with

Jared Leto

Ares

Greta Lee

Eve Kim

Evan Peters

Julian Dillinger

Gillian Anderson

Elisabeth Dillinger

Jodie Turner-Smith

Athena

Steve Blum

Golgan / Tuftan (voice)

Adam Gifford

Zuma (voice)

Armen Taylor

Ben Boxer (voice)

Full filmography

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TRON: Ares

2025 ⭐ 6.5

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FOXBODY

2025

HD

My Love Affair with Marriage

2023 ⭐ 5.4

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Paradise Highway

2022 ⭐ 5.9

HD

Shattered

2022 ⭐ 5.7

HD

DC Showcase: Kamandi: The Last Boy on Earth!

2021 ⭐ 6.3

HD

Joker: Put on a Happy Face

2020 ⭐ 8.0

HD

The Death and Return of Superman

2019 ⭐ 6.7

HD

Reign of the Supermen

2019 ⭐ 7.0

HD

Anthem of a Teenage Prophet

2019 ⭐ 6.4

HD

The Year of Spectacular Men

2018 ⭐ 5.6

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Amityville: The Awakening

2017 ⭐ 5.4

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The Giver

2014 ⭐ 6.6

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Jamie Marks Is Dead

2014 ⭐ 5.5

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Mall

2014 ⭐ 4.6

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Vampire Academy

2014 ⭐ 6.3

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2nd Serve

2012 ⭐ 4.4

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Prom

2011 ⭐ 6.1

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Another Harvest Moon

2010 ⭐ 4.7

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Safe Harbor

2009 ⭐ 5.4