Xena Online Resources: Cast Members
Actors that have appeared as cast members (or extras) in either series

Logomancy Xena Warrior Princess -- Credits Guide Introduction
Catalogs the episodes aired to date and details the complete credits for each episode. Summary pages detail all the credits for all the episodes, plus there are cast credit summaries sorted by actor and by character.

Xena Online Resources: Guest Stars
List websites of reoccurring characters and guest stars on the shows

Xenastreet
Insight into Actors and actresses who have appeared on both Xena/Herculus and Shortland Street with the characters they have portrayed in each and links to many actor/actresses and characters.

IMDb: Xena Warrior Princess (1995)
Credits for Xena: Warrior Princess (1995), full cast and crew,guest appearances, overview, awards and reviews, plots and quotes, and other information.