Doctor Who season 13, episode 6 cast: Who guests stars in Flux finale?

DOCTOR WHO FLUX is about to come to an end capping off Jodie Whittaker's last season as the iconic character. Who will join her in the Flux finale?

Doctor Who: Trailer for six-part series ‘Flux'

Doctor Who Flux will return for the sixth and final time tonight on BBC One, ending the last series with Jodie Whittaker stepping inside the Tardis. Joining her will of course be Yaz (played by Mandip Gill) and Dan Lewis (John Bishop), but there will be numerous guest stars also making an appearance.

Who guest stars in the Doctor Who Flux finale?

Professor Jericho – Kevin McNally

Professor Jericho will be making another appearance this season, once again played by Kevin McNally.

He will play a crucial role in the final battle for time itself with all hope lost as the forces of darkness take control.

Jericho will meet many of the other characters from the series in what looks to be an episode filled with warped time travel shenanigans.

McNally is best known for playing Mr Gibbs in the Pirates of the Caribbean films, and more recently starred in The Crown as Bernard Ingham.

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Doctor Wh: Jodie Whittaker and Swarm played by Sam Spruell (Image: BBC)

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Doctor Who: Professor Jericho played by Kevin McNally (Image: BBC)

Azure – Rochenda Sandall

Azure has proven to be a major foil for the Doctor this season, as she is the right arm of Swarm and now in control of time itself.

The pair have been one step ahead of the Doctor since episode one, and it looks as though she has finally met her match.

However, it wouldn’t be the Doctor without one final trick up her sleeve, and Azure may have a bigger fight on her hands than she expects.

Rochenda Sandell is best known for starring in Deceit, Small Axe, Criminal: UK, and Line of Duty as Lisa McQueen.

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Doctor Who: Bel played by Thaddea Graham (Image: BBC)

Swarm – Sam Spruell

Swarm has been the architect of the Doctor's problems in season 13, and the Flux is finally coming to an end on his terms in episode six.

Of course, the downfall of many villains is their arrogance, and Swarm is confident there is no way the Doctor can stop him now.

With time in the palm of his purple hands, there is no telling what he could do to try and stop the Doctor in the finale.

Actor Sam Spruell starred in Legend, Take 3, The North Water, and Liar as Oliver Graham.

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Doctor Who: Joseph Williamson played by Steven Oram (Image: BBC)

Bel – Thaddea Graham

Throughout Flux, one thing giving fans hope is the Bel and Vinder (Jacob Anderson) love story.

Of course, love has had to take a backseat of late, especially now Swarm and Azure are in control.

For viewers, Bel has been the heart of the story, with fans hoping to see a happy ending for the soldier of time.

Thaddea Graham is best known for The Irregulars, Us, The Letter for the King, and Curfew.

Joseph Williamson – Steve Oram

This will be the second appearance of Joseph Williamson in the season, though how he re-enters the plot remains to be seen.

It will most likely be a classic case of time splintering, throwing unlikely but lovable characters together in true Doctor Who fashion.

Joseph isn’t used to the Doctor’s antics and is especially not used to space travel, time travel, and any other travel the Doctor indulges in. 

Steve Oram is best known for Code 404, The End of the F**king World, and Sally4Ever.

Doctor Who Flux concludes on Sunday at 6.20pm on BBC One.

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