John Kassir had voiceover work for the Nickelodeon series produced by what company?
John Kassir:  The Cat", "The Brothers Flub", "Dead Rising", "Casper's Scare School", "Spider-Man 3", "", "Diablo III", "Monsters University", "The Prophet", "" and "The Secret Life of Pets". The Brothers Flub: The Brothers Flub is an animated television series produced by Sunbow Productions and co-produced by Ravensburger.
Sunbow Productions