FIG. 1 is a front and left side perspective view of an integrated actuator overcap showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The bottom and interior portions not shown in the drawings form no part of the claimed design.