Summary
- Ncuti Gatwa's new companion in Doctor Who is heavily rumored to be played by Varada Sethu, an Indian-born actress with experience in TV science fiction and Hollywood blockbusters.
- Millie Gibson's departure from Doctor Who after season 14 means that her character, Ruby Sunday will likely have her story resolved this year.
- Varada Sethu's first appearance as Ncuti Gatwa's replacement companion will likely be in the very first episode of Doctor Who season 15, which will air in 2025.
Varada Sethu is heavily rumored to play Ncuti Gatwa's new companion, which will leave Doctor Who season 14 won't start streaming on Disney+ until May, the reporting of Millie Gibson's departure feels premature. However, Ncuti Gatwa's second season of Doctor Who has already commenced filming, which is presumably how the news about Varada Sathu's casting leaked to the press.
Millie Gibson's Doctor Who replacement likely won't debut until 2025, which gives fans plenty of time to catch up on Varada Sethu's previous work. The Indian-born actress has an impressive list of credits that demonstrates Varada Sethu's experience working on both TV science fiction and Hollywood blockbusters. In the bold new Disney+ era of Doctor Who, these experiences will likely be invaluable when Varada Sethu s the TARDIS as Ncuti Gatwa's new Doctor Who companion.

Millie Gibson's Doctor Who Season 14 Exit Means One Fan Theory Will Remain A Mystery
Because Millie Gibson's Ruby Sunday is leaving Doctor Who after season 14, one popular fan theory about the Christmas special will never get resolved.
Varada Sethu's Biggest Movies & TV Shows
Verada Sethu has appeared in Jurassic World Dominion, Andor, and more
Varada Sethu's earliest credit on her road to Doctor Who was a small role in the Jesse Eisenberg heist movie, Now You See Me 2. Since appearing as Tressler Assistant, Sethu has gone on to much bigger and better roles. Sethu went on to play DS Mishal Ali in Hard Sun, the sci-fi crime drama miniseries written by Doctor Who and Luther writer Neil Cross in 2018. Varada Sethu then won a regular role in the Sky and Cinemax action series Strike Back as Ll. Manisha Chetri, in which she starred in 17 episodes between 2019 and 2020.
More recently, Varada Sethu starred as Shira in 2022's Jurassic World Dominion, which saw her share scenes with Jurassic Park icons Laura Dern and Sam Neill. Verada Sethu then ed the cast of Andor as Cinta Kaz, a member of the fledgling Rebel Alliance, and the partner of Vel Sartha (Faye Marsay). Interestingly, Faye Marsay was tipped as a potential replacement for Jenna Coleman in Doctor Who, before the Victoria actress decided to sign on for a second season with Peter Capaldi's Doctor.
Six episodes of Andor were directed by Toby Haynes, who had previously directed five episodes of Doctor Who between 2010 and 2011.
When Will Varada Sethu Doctor Who As Ncuti Gatwa's New Companion?
Sethu will replace Millie Gibson in the TARDIS.
Varada Sethu is set to Doctor Who in season 15, which will begin airing in 2025. As there has been no official confirmation of Millie Gibson's departure, let alone Varada Sethu's arrival, it's unclear exactly who she will be playing or how she will come into the Doctor's orbit. It's believed that Ncuti Gatwa will have a temporary companion in the form of Bridgerton's Nicola Coughlan in Doctor Who's 2024 Christmas special. This means that Varada Sethu will likely make her first appearance as Millie Gibson's replacement in the very first episode of Doctor Who season 15.
Millie Gibson's departure draws a strange parallel with Christopher Eccleston's Doctor Who exit, which was leaked to the press after his first episode aired. While this caused some panic among fandom at the time, Eccleston was replaced by David Tennant and Doctor Who continued to go from strength to strength. Change and renewal are at the very core of the overall story of Doctor Who, and so Millie Gibson's time as Ruby Sunday was always going to be limited. However, Varada Sethu's strong resume proves that the role of Doctor Who companion is in very safe hands.
Doctor Who season 14 starts streaming on Disney+ worldwide and BBC One in the UK from May.

Doctor Who
- Release Date
- December 25, 2023
- Network
- BBC
- Directors
- Douglas Camfield, David Maloney, Christopher Barry, Michael E. Briant, Barry Letts, Michael Ferguson, Richard Martin, Peter Moffatt, Pennant Roberts, Lennie Mayne, Chris Clough, Ron Jones, Paddy Russell, Paul Bernard, Michael Hayes, Timothy Combe, Morris Barry, Gerald Blake, Graeme Harper, Waris Hussein, Rodney Bennett, Mervyn Pinfield, Hugh David, John Gorrie
Cast
- The Doctor
- Millie GibsonRuby Sunday
The latest Doctor Who series introduces the Fifteenth Doctor, ed by new companion Ruby Sunday.
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