Well i wondered to and had a search on google people thought it was Joe Mantegna (who also does Fat Tony on The Simpsons) or Joe Pesci
but it is actually Greg Marston i found it here
Fox's biscuits launches ad featuring New Jersey dog/panda hybrid ...... today with the introduction of new imaging by IQ Beats and voice-over Greg Marston. ...
www.mediauk.com/magazines/news/141935/new!