
Jay Johnston (born October 22, 1968) is an American actor and comedian best known for his work as a writer and cast member on the HBO sketch comedy series Mr. Show and for playing the role of Officer Jay McPherson on The Sarah Silverman Program.
On October 28, 2024, Johnston, who was arrested in 2023 for his participation in the January 6, 2021 Capitol attack, pled guilty to a felony offense of obstructing officers during a civil disorder in July. As a result, Johnston has been sentenced to 12 months and a day in federal prison.

Men in Black II
2002 · as Agent

Not Another Teen Movie
2001 · as Roadie

Bicentennial Man
1999 · as Charles

Anchorman: The Legend of Ron Burgundy
2004 · as Eyewitness News Member

Tenacious D in The Pick of Destiny
2006 · as Gang Member

Hell and Back
2015 · as Rick (voice)

Jack Frost
1998 · as TV Weatherman

The Master of Disguise
2002 · as Rex

Demoted
2011 · as Kline

The Independent
2000 · as Soldier

Brainwarp
2003 · as Guy Suave

The Last Laugh
2016 · as Self (archive footage) (uncredited)

Dirty Love
2005 · as Waiter

Nerd Hunter 3004
2004 · as Computer Nerd

Wake Up, Ron Burgundy: The Lost Movie
2004 · as Eyewitness News Member

Hollywood Palms
2000 · as Young Cop

Something About Her
2021 · as George

Skins
1997 · as Big John