Doctor(s): 15th Doctor (Ncuti Gatwa)
Traveled: 2025 (one series, alongside Ruby Sunday)
Actor: Varada Sethu (born 5 September 1993)
Episodes & Stories
Introduced as the Fifteenth Doctor’s second companion for the 2025 series, appearing across the show’s most recent full season.
Personality
A capable, no-nonsense NHS nurse initially reluctant to be swept into time travel, Belinda is practical, sharp and skeptical of the Doctor at first.
Interesting Facts
- Varada Sethu was previously known for playing Cinta Kaz in the Star Wars series Andor.
- Her introduction as a second, simultaneous companion alongside Ruby Sunday was a notable structural choice for the modern show.
- Her tenure was cut relatively short by the upheaval around Ncuti Gatwa’s surprise departure from the series.
What Happened to the Character
Belinda’s departure coincides with the end of the 2025 series and the still-unresolved transition surrounding Ncuti Gatwa’s exit and the Doctor’s most recent regeneration.
The Actor Today
Varada Sethu continues to build her acting career following Andor and Doctor Who.