Bobcat Goldthwait
voices Pain
Corey Burton
voices Zeus
Robert Costanzo
voices Philoctetes
Robert Stack
voices Bob
French Stewart
voices Icarus
Sandra Bernhard
voices Cassandra
Diedrich Bader
voices Adonis
Matt Frewer
voices Panic
Betty White
voices Hestia
Frank Welker
voices Abu
James Woods
voices Hades
Paul Shaffer
voices Hermes