An actuator for a latch is provided, the actuator having: a motor operatively coupled to a gear train; and a rack moveably mounted to the actuator for linear movement with respect to a housing of the actuator, wherein the gear train comprises: a worm; a worm gear and a pinion gear, wherein the pinion gear is rotatably mounted to the worm gear and the pinion gear has a plurality of teeth configured to engage a portion of the rack, wherein the axis of rotation of the worm is perpendicular to the axis of rotation of the worm gear and the pinion gear.