Ernie Grunwald (born 1970) is a Canadian actor who has made guest appearances in a number of notable television series.
Grunwald has had recurring roles on One on One, The Suite Life of Zack & Cody (as Mr. Forgess), and Two of a Kind opposite Mary-Kate and Ashley Olsen.
Farm, Walker, Texas Ranger, Supernatural, Grey's Anatomy, Two and a Half Men, Bones, The Mentalist, Weeds, and many other series.
He also appeared as Walter in the Disney Channel Original Movie Good Luck Charlie, It's Christmas!
He has also had roles in the feature films Cellular, It Takes Two, Men in Black II, and Stealing Harvard.