Skip to content
Fiona Frost from Spy x Family
Spy x Family · 2022

Fiona Frost

フィオナ・フロスト

SeriousAmbitiousSpy
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

More like Fiona Frost