Biography

He started his professional career with the unaired pilot Locke & Key (2011)(2011), and then quickly began working on television shows like House (2004) (2011), Fringe (2008) (2012), Criminal Minds (2005) (2012), CSI: Crime Scene Investigation (2000) (2013), Silicon Valley (2014) (2014), Lucifer (2016)(2016), Banshee (2013) (2013-2014) and most recently, Lyle, on Better Call Saul (2015) (2017-2022). He has appeared in the films The Stanford Prison Experiment (2015), which won the Alfred P. Sloan award at the Sundance Film Festival, 600 Miles (2015) (2015), which won Best First Feature at the Berlin International Film Festival, and Other People's Children (2015) (2015), which won the Best of Festival Award at the Columbia Gorge International Film Festival. He also starred in the short film All These Voices (2015) (2015), which won the Student Academy Award at the AFI fest. He most recently filmed the movie 12 Desperate Hours (2023) directed by Gina Gershon.

As a writer and director, his projects have won or received Official Selection at... Cannes Shorts Awards, Venice film festival(CA), Indie Short Fest, Indie X Fest, Chicago Film Festival. He won the Best First Director award and Best Short at Independent Short Awards. And Additionally Official Selection for L.G.B.T.Q.+ Los Angeles Film Festival, and Winner of the Independent Short Awards for Best L.G.B.T.Q. Short.
- IMDb mini biography by: John Michael Avery

Harrison is the son of comedian Dave Thomas.