Special Guest Stars Jane Goodall voices Herself Guest Stars Pamela Hayden voices Milhouse Van Houten Tress MacNeille voices Shauna Chalmers Tress MacNeille voices Brandine Spuckler Pamela Hayden voices Kyle Tress MacNeille voices Boat Salesman's Wife Tress MacNeille voices Lolo the Gorilla Announcer Dawnn Lewis voices Carlotta Carlson Chris Edgerly voices Ticket Salesman Chris Edgerly voices Aquatraz Aqua Park Announcer Chris Edgerly voices Gorilla Sanctuaries Host #2 Chris Edgerly voices Foam Lenny at FOX Announcer