For accuracy's sake, I'll edit the page so that whatever is in the credits will be listed accordingly. Whatever edits you've made will be saved in the page history so no need to worry about your contributions being deleted.
Definitely not Wikipedia. But using sources such as an actor's resume or social media to confirm a role is much more preferred than using BTVA. A-Stone uses that site only to confirm the actors himself.
In the future, when adding roles, like you did recently with Cardcaptor Sakura: Clear Card, could you please leave a link to where you found out who was playing the roles? It would help us immensely in verifying the credits if you did.