We don't have a biography for Sidonie 'Sid' Baker yet. Hang in there, or go ahead and contribute one.
Appearances
Slow Horses
Guest cast, played by Olivia Cooke
- Episode 1x01: Failure's Contagious (Apr 1, 2022)
- Episode 1x02: Work Drinks (Apr 1, 2022)
- Episode 1x04: Visiting Hours (Apr 15, 2022)
- Episode 6x02: Daddy Issues (Sep 23, 2026)
- Episode 6x03: Resurrection (Sep 30, 2026)