Guest Stars Liam O'Brien voices Professor Maelstrom Michael Hawley voices Zack Abby Trott voices Ivy Sharon Muthu voices Dr. Bellum Dawnn Lewis voices Chief Mary Elizabeth McGlynn voices Coach Brunt Charlet Chung voices Julia Argent Toks Olagundoye voices Countess Cleo Sharon Muthu voices Agent Zari Toks Olagundoye voices ACME Agent Liam O'Brien voices Buyer Roger Craig Smith voices Moose Boy Scott Whyte voices Otter Man