Tate Donovan as Hercules / Additional Voices (voice)

French Stewart as Icarus / Pegasus (voice)

Sandra Bernhard as Cassandra (voice)

Diedrich Bader as Adonis (voice)

Corey Burton as Zeus (voice)

Dan Castellaneta as Homer (voice)

Samantha Eggar as Hera (voice)

Kathie Lee Gifford as Echidna (voice)

Susanne Blakeslee as Kala (voice)

Jim Cummings as Tantor (voice)

Olivia d'Abo as Jane Porter (voice)

Neil Patrick Harris as Moyo (voice)

Kenneth Mars as Old Gorilla (voice)

Michael T. Weiss as Tarzan (voice)

Paul Shaffer as Hermes (voice)