Cugno has been in the voice acting business since at least 2000. In 2002, he played a character on the animated television series Beyblade named Lee Wong. Eight years later, Peter Cugno played a character named Kyoya in the Beyblade follow-up series, Beyblade: Metal Fusion. Other works in which he is credited include Dino Crisis 2 from 2000 and Sons of Butcher from 2005.
Cugno also provides voiceover work for commercials, ranging from Trident gum ads to musical adverts for Mini Wheats. He also performed the voice of the Canadian Family Channel's announcer for some time.