Helena Walstrom is an American voice actor and ADR director working in the English-language dub industry for anime productions. Her career encompasses a substantial body of work in both performing roles and directing voice casts for numerous series, primarily distributed by Crunchyroll. In her on-screen performance work, she is known for the role of Shino Ukita in the ice hockey anime series PuraOre! Pride of Orange. She also provided the voice for Yukimin in the romantic comedy series The Ice Guy and His Cool Female Colleague, where she played the sister of the main protagonist Himuro.

Beyond these specific roles, Walstrom has contributed to several other titles as a voice actor. Her additional performing credits include the part of Ryokai Saho in Heroines Run the Show: The Unpopular Girl and the Secret Task and an Alien character in Mob Psycho 100 III.

A significant portion of Walstrom's professional profile is defined by her extensive work behind the scenes as an ADR (Automated Dialogue Replacement) director, also referred to as a voice director. In this capacity, she is responsible for guiding the vocal performances of English voice actors as they dub foreign-language animation. Her directing credits on notable series include My Clueless First Friend, My Tiny Senpai, Sasaki and Peeps, Shy, Vampire Dormitory, and Classroom of the Elite. She has also served as an ADR director for high-profile romantic comedies such as The 100 Girlfriends Who Really, Really, Really, Really, Really Love You. Her work in 2025 and 2026 includes directing the English dubs for titles like In the Clear Moonlit Dusk, Anyway, I'm Falling in Love with You, Once Upon a Witch's Death, and the classic adaptation Anne Shirley.

Before moving into directing, Walstrom worked extensively as an ADR engineer and lead ADR engineer, a technical role managing sound and recording sessions. Her engineering credits span multiple seasons of major franchises, including My Hero Academia, Dr. Stone, Fire Force, Fruits Basket, One Piece, and Spy×Family. This progression from engineering to direction demonstrates a deep technical understanding of the dubbing process.

Throughout her career, Walstrom has developed recurring professional collaborations with several industry figures. She has frequently worked with producer Samantha Herek on numerous projects, including The 100 Girlfriends Who Really, Really, Really, Really, Really Love You, Anyway, I'm Falling in Love with You, and Shy. She has also collaborated repeatedly with engineers such as Rickey Watkins, Jose Sandoval, and Derric Benavides, and with adapters like Heather Walker and Clayton Browning. These consistent team memberships indicate her role as a regular creative lead for specific production units within the dubbing industry. Her notable achievements include directing multiple series across various genres each season, from action to romance to classic literature adaptations, establishing her as a prolific and active figure in contemporary English anime dubbing.