Alexandra Yastishock is a voice actress for Hisuian Snow's English dub.
Twitter Post - Confirming Voice of Cyllene
On June 22nd, 2022, Alexandra posted on Twitter
and confirmed her role as the voice of Cyllene in episode 3 of Pokémon: Hisuian Snow.
Super honored & excited to announce that I voice Cyllene in Pokémon: Hisuian Snow! As someone who's loved Pokémon since I was 9 years old, words cannot describe my joy! Thank you so much to @Pokemon & @LauraPostVoice for having me. What an incredible blessing!