Born in Toronto, Canada, but raised in Haifa, Jonathan Sagall. As a teenager, Sagall did stagework for local Israeli theaters. His first appearance was on an Israeli television show that aired in 1977, but became famous after playing Momo in the 1978 film Lemon Popsicle.
In 1983 Sagall played the lead role in the drama "Drifting" by Amos Gutman, where he played a lonely young homosexual man whom attempts to find love and break into the movie business. During the mid 1980s Sagall began producing and directing short films.