Actuator having vertical comb electrode structure

An actuator having a vertical comb electrode structure is provided. The actuator includes: a stage seesawing in a first direction; a support unit supporting the seesawing motion of the stage; and a stage driving unit including vertical driving comb electrodes extending outward from opposite sides of the stage in the first direction, and vertical fixed comb electrodes disposed on a substrate to alternate with the driving comb electrodes, wherein the fixed comb electrodes include first fixed comb electrodes lower than the driving comb electrodes, insulation layers formed on the first fixed comb electrodes, and second fixed comb electrodes formed on the insulation layers to be higher than bottom surfaces of the driving comb electrodes.