We don't have a biography for Eurus Holmes yet. Hang in there, or go ahead and contribute one.
Appearances
Sherlock
Guest cast, played by Siân Brooke
- Episode 4x01: The Six Thatchers (Jan 1, 2017)
- Episode 4x02: The Lying Detective (Jan 8, 2017)
- Episode 4x03: The Final Problem (Jan 15, 2017)