Dalek Commander (The Power of the Doctor)

A bronze Dalek Commander led the Dalek forces who allied with as part of the Master's Dalek Plan. Although its appearance resembled that of a regular Dalek Drone, its deep voice, much like that of a Dalek Supreme and a similar Dalek Leader, signified its rank. (TV: The Power of the Doctor)

Behind the scenes
The Commander is identified as such in the BBC iPlayer subtitles for The Power of the Doctor.