This movie states Discord's relation to Hercules and Ares as her being their sister (which would also make her the sister of Aphrodite, Athena, Artemis and other children of Zeus).
Ian Bohen was later replaced by Ryan Gosling in Young Hercules (1998) after declined to continue the role when the series was picked up as a half-hour children's program.
Apart from Hercules, Iolaus and Jason, none of the Argonauts named in the Hercules: The Legendary Journeys (1995) episode Once a Hero (1996) appear in this feature. Apart from Hercules and Jason, not one of the Argonauts featured in either Once a Hero or this feature are present in the original myth- not even Iolaus.