- Tate Donovan
- Hercules
- Diedrich Bader
- Adonis
- Barbara Barrie
- Alcmene
- Jodi Benson
- Helen of Troy
- Sandra Bernhard
- Cassandra
- Corey Burton
- Zeus
- Robert Costanzo
- Philoctetes
- Michael Dorn
- Minotaur
- Paddi Edwards
- Atropos
- Susan Egan
- Meg
- Bill Fagerbakke
- Cyclops
- Cheryl Freeman
- Mepomene
- Matt Frewer
- Panic
- Brad Garrett
- Orthus
- Kathie Lee Gifford
- Echidna
- Bobcat Goldthwait
- Pain
- Eric Idle
- Parenthesis
- Wayne Knight
- Orthus
- LaChanze
- Terpsichore
- Tress MacNeille
- Clotho
- Roz Ryan
- Thalia
- Paul Shaffer
- Hermes
- Carole Shelley
- Lachesis
- Richard Simmons
- Physedipus
- Robert Stack
- Narrator
- French Stewart
- Icarus
- Eric Stoltz
- Theseus / The Grim Avenger (voice)
- Jay Thomas
- Ares
- Lillias White
- Calliope
- James Woods
- Hades: Lord of the Dead
