That voice actress’ name is Margarita de Francia…. I think the Nancy MACkenzie you are speaking of was the actress prior to Margarita. She just passed away at 81..
No, some news put the last name as I wrote it, but you're right, the majority put it as you say... Margarita is the dubbing actress of the Spanish version of Spain, not Latin. Her Wikipedia info is a bit difficult nostr:note1r4008c7920rfkl0cm55xejyqec2k480uavun9mgy0rx4lyt9ycsqq26eyv