Actuator

FIG. 1 is a front top perspective view of an actuator, showing the new design;

FIG. 2 is the front view thereof;

FIG. 3 is the rear view thereof;

FIG. 4 is the left-side view thereof;

FIG. 5 is the right-side view thereof;

FIG. 6 is the top view thereof; and,

FIG. 7 is the bottom view thereof.

The broken lines shown in the drawings illustrate portions of the actuator that form no part of the claimed design.