what is the name of the angry neighbor yes sister no sister 5 stars?, “Yes sister, no sister” angry neighbor is called Gerrit van der Valk. He is played by actor John Leddy. Gerrit van der Valk is a grumpy, grumpy and always grumbling neighbor who lives across the street from Klivia’s vacation home. He is constantly irritated by the noise and jokes of the residents of the old people’s home, especially sister Klivia, and her cheerful and unusual approach to managing the old people’s home. The series Yes Sister, No Sister was a popular Dutch television series of the 1960s that centered on the ups and downs of a vacation home, with regular comedic situations.