Close (to the Edit)
The short spoken-word vocal and the "Hey ! " sample – used in a number of songs most notably in "Firestarter" by The Prodigy and "Back in the Day" by Christina Aguilera ( uncredited ) – was the voice of Camilla Pilkington-Smyth . 
<triplet> Firestarter <subj> The Prodigy <obj> performer