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Doctor Who teaser pics reveal first look at twisty new episode – and Vikings star Linus Roache
Roache is playing a new character called Reginald Pye.

BBC Studios/Bad Wolf/James Pardon
- James Hibbs
Published: Monday, 14 April 2025 at 8:00 pm
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The latest season of Doctor Who continues this Saturday with new episode Lux, which sees the Doctor and Belinda travelling to 1952 Miami – and also heading into the big screen.
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Now, we've got some new images ahead of the episode airing, which see Ncuti Gatwa's Doctor and Varada Sethu's Belinda dressed up in their colourful '50s finery, while also introducing us to one of this week's guest stars.
The guest star in question is Linus Roache, who has previously been in series such as Vikings and Homeland.
His character, Reginald Pye, appears to work at the cinema, but seems to be an eerie presence in a conversation with Belinda.
Perhaps he has been swayed somehow by Alan Cumming's Mr Ring-a-Ding?

Linus Roache as Reginald Pye in Doctor Who. BBC Studios/Bad Wolf/James Pardon
Another image sees the Doctor and Belinda having been animated, startled by their new 2-D forms.
Showrunner Russell T Davies recently teased what fans can expect from Mr Ring-a-Ding, saying: "I hope kids will love Mr Ring-a-Ding while also finding him scary.
"In some ways, it's a thing you kind of dread: that person on screen turning round and looking at you, and realising you're watching them. There's a real thrill to that."

Varada Sethu as Belinda Chandra and Linus Roache as Reginald Pye in Doctor Who BBC Studios/Bad Wolf/James Pardon
Meanwhile, when Cumming's casting was first announced, Davies said: "Only Alan Cumming could give a runaway cartoon so much wit, malice, danger and fun. He makes the whole universe of Doctor Who wilder and madder than ever, and it’s an absolute honour to welcome him on board the TARDIS."
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Cumming and Roache aren't the only major guest stars set to feature this season – Rose Ayling-Ellis, Christopher Chung, Rylan Clark and Graham Norton are all among those set to appear.

Varada Sethu as Belinda Chandra and Ncuti Gatwa as The Doctor in Doctor Who BBC Studios/Bad Wolf
Meanwhile, returning stars from previous seasons include Millie Gibson, back as Ruby Sunday, as well as Jemma Redgrave, Ruth Madeley and Alexander Devrient.

Varada Sethu as Belinda Chandra in Doctor Who. BBC Studios/Bad Wolf/James Pardon
Doctor Who continues on Saturday 19th April on BBC One and iPlayer.
Dive into our Doctor Who story guide: reviews of every episode since 1963, plus cast & crew listings, production trivia, and exclusive material from the Radio Times archive.
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Check out more of our Sci-Fi coverage or visit our TV Guide and Streaming Guide to find out what's on. For more from the biggest stars in TV, listen to The Radio Times Podcast.
Authors

James HibbsDrama Writer
James Hibbs is a Drama Writer for Radio Times, covering programmes across both streaming platforms and linear channels. He previously worked in PR, first for a B2B agency and subsequently for international TV production company Fremantle. He possesses a BA in English and Theatre Studies and an NCTJ Level 5 Diploma in Journalism.
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