Guest Stars Liam O'Brien voices Professor Maelstrom Michael Hawley voices Zack Abby Trott voices Ivy Sharon Muthu voices Dr. Bellum Rafael Petardi voices Chase Devineaux Charlet Chung voices Julia Argent Kari Wahlgren voices Sheena (Tigress) Liam O'Brien voices Boris Michael Goldsmith voices Gray Sharon Muthu voices Agent Zari Liam O'Brien voices Vlad