an automatic film unloading apparatus permits an undeveloped film to be automatically unloaded from its cartridge , rewound correctly in a case within a short period of time , and moved to a location where it is joined to a film leader . an intermediate film takeup cartridge for use in the automatic film developer apparatus includes an intermediate cartridge body including a film takeup roller and a base which can easily be separated from each other . when the entire length of an undeveloped film is rewound on the film takeup roller or the undeveloped film is jammed , the intermediate cartridge body is readily separated from the base , hence allowing the taken up or jammed undeveloped film to be removed from the film takeup roller with ease .