
Kevin Chamberlin (born November 25, 1963) is an American actor and singer. He is best known for playing Bertram on the Disney sitcom Jessie, as well as his theatre roles such as Horton in Seussical and Uncle Fester in The Addams Family. Chamberlin studied acting at Rutgers University's Mason Gross School of the Arts in New Brunswick, New Jersey, and graduated with a B.F.A. in acting in 1985. Chamberlin is openly gay. He has been married to TV writer and producer Michael Gans since 2008, having been together since 1991.

Law & Order: Special Victims Unit
TV • 1999

Frasier
TV • 1993

Modern Family
TV • 2009

Crossing Jordan
TV • 2001

Without a Trace
TV • 2002

CSI: NY
TV • 2004

Heroes
TV • 2006

Austin & Ally
TV • 2011

Nip/Tuck
TV • 2003

According to Jim
TV • 2001

Grace and Frankie
TV • 2015

Jessie
TV • 2011

Stars in the House
TV • 2020

Ed
TV • 2000

A Series of Unfortunate Events
TV • 2017

BUNK'D: Learning the Ropes
TV • 2015

Outer Range
TV • 2022

Duster
TV • 2025