I.S.S. Cast
The cast of I.S.S..
Ariana DeBose
as Dr. Kira Foster

Portrays Dr. Kira Foster in I.S.S.

Chris Messina
as Gordon Barrett

Plays Gordon Barrett in I.S.S.

John Gallagher Jr.
as Christian Campbell

Plays Christian in I.S.S.

Masha Mashkova
as Weronika Vetrov

Plays Weronika in I.S.S.

Costa Ronin
as Nicholai Pulov

Portrays Nicholai in I.S.S.

Pilou Asbæk
as Alexey Pulov

Portrays Alexey Pulov in I.S.S.

For the best insights and data about I.S.S., visit our main I.S.S. page.