Doctor(s): 15th Doctor (Ncuti Gatwa)
Traveled: 2023 – 2025
Actor: Millie Gibson (born 15 November 2004)
Episodes & Stories
The Church on Ruby Road (2023 Christmas special, introduced), all of the 2024 series, continuing into 2025 alongside newcomer Belinda Chandra.
Personality
A warm, curious young woman raised by an adoptive family after being abandoned as a baby, Ruby is compassionate, brave and endlessly game for adventure.
Interesting Facts
- Ruby’s entire debut season builds toward the mystery of her unknown birth mother.
- Her ability to unknowingly affect probability and reality becomes a major plot device.
- Millie Gibson had previously been known for a long-running role on Coronation Street.
What Happened to the Character
Ruby continued as a companion into the 2025 series before exiting around the same time as Ncuti Gatwa’s own surprise departure from the role of the Doctor.
The Actor Today
Millie Gibson has continued her acting career following her Doctor Who run.