Guest Stars Liam O'Brien voices Professor Maelstrom Michael Hawley voices Zack Abby Trott voices Ivy Dawnn Lewis voices Chief Rafael Petardi voices Chase Devineaux Charlet Chung voices Julia Argent Bernardo de Paula voices Jean Paul (Le Chevre) Andrew Pifko voices Antonio (El Topo) Bernardo de Paula voices Auctioneer Carla Tassara voices Pilar