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