A refrigerator includes a plurality of storage compartments and an evaporator configured to generate cold air through heat exchange. A duct includes a plurality of channels to carry cold air to the plurality of storage compartments and a fan is configured to supply cold air generated by the evaporator to the plurality of channels. A cold-air adjuster includes a plurality of open or close members provided in the plurality of channels, to adjust the volume of cold air flowing into the plurality of storage compartments. An actuator is configured to interlock operation of one of the plurality of open or close members with operation of another of the open or close members.