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 Rafael Petardi voices Chase Devineaux Paul Nakauchi voices Shadowsan Michael Goldsmith voices Gray Liam O'Brien voices Teacher Mary Elizabeth McGlynn voices Archaeologist