There is provided an optical film comprising a (meth)acrylic resin as a main component, a compound represented by the specific formula, and a rubber elastic body, and a method of manufacturing an optical film through a solution film-forming method, in which the optical film is composed of a (meth)acrylic resin as a main component, and contains a compound represented by the specific formula and a rubber elastic body, and a polarizing plate protective film having the optical film, and a polarizing plate having the polarizing plate protective film, and a liquid crystal display device provided with the polarizing plate.