Biography
Alexander Koch (born February 24, 1988) is an American actor. He plays the series regular role of Junior Rennie on the CBS series Under the Dome based on the novel by Stephen King. He currently resides in Los Angeles.
Filmography
Cast Credits

Happiness for Beginners
Character: Duncan
MOVIE • 2023

Hacks
Character: Dev
TV • 2021

Black Bear
Character: Mike
MOVIE • 2020

Sightless
Character: Clayton
MOVIE • 2020

Big Fork
Character: Kipton
MOVIE • 2020

The Code
Character: Bard
TV • 2019

Sorry For Your Loss
Character: Nicholas Schwaback
TV • 2018

Maya Dardel
Character: Paul
MOVIE • 2017

Always Shine
Character: Matt
MOVIE • 2016

Lucifer
Character: Pete Daily
TV • 2016

Under the Dome
Character: Junior Rennie
TV • 2013
The Ghosts
Character: Frank
MOVIE • 2011

Law & Order: Special Victims Unit
Character: Nick Pearce
TV • 1999