
Fiona Frost
フィオナ・フロスト
- Rank
- #143 of 262
- Elo
- 1,499
- Battles
- 8
- Win rate
- 50%
About Fiona Frost
Fiona Frost is a WISE agent who works under the codename Nightfall. Her job at Berlint General Hospital provides cover for supporting Loid Forger and passing along mission information. She presents a controlled, unreadable expression, while her determination to prove herself makes working alongside Twilight more complicated than she lets on.
Are Fiona Frost and Nightfall the same person?
Yes. Nightfall is Fiona Frost's WISE codename. Fiona works at Berlint General Hospital as cover for her intelligence work alongside Loid Forger, whose codename is Twilight.
Who voices Fiona Frost?
Ayane Sakura voices Fiona in Japanese. Lindsay Seidel is her regular English voice actor; Bryn Apprill substitutes in episode 21.
How old is Fiona Frost?
A confirmed official age has not been established for this profile. Her age and birthday fields are left blank rather than using estimates based on her appearance or comparisons with Loid and Yor.
Character facts
- Anime
- Spy x Family
- Height
- 172 cm
- Gender
- Female
- Hair colour
- White
- Eye colour
- Grey
- Species
- Human
- Occupation
- WISE agent / Hospital office worker
- Voice actress
- Ayane Sakura
- First appearance
- Spy x Family







