If you have to say that a melamine kitchen table is 100% scratch resistant, why not have the sound of someone tap-dancing on them in rough boots to prove your point?

Advertising Concept Book (Second Edition) by Pete Barry citing Tony Cullingham

The flavor of the month will date a commercial quickly, and generally over-used actors might not make your commercial sound distinguishable.

Use a voice that’s memorable, but don’t just think of the obvious actors: it will help to brand your campaign and make it unique.