Ryan Sinclair

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Ryan Sinclair
Doctor Who character.
Ryan Sinclair.jpg
Tosin Cole as Ryan Sinclair
First appearance"The Woman Who Fell to Earth" (2018)
Portrayed byTosin Cole
AffiliatedThirteenth Doctor
Home planetEarth

Ryan Sinclair is a fictional character created by Chris Chibnall and portrayed by Tosin Cole in the long-running British science fiction television series Doctor Who. In the show's eleventh series, starting with the first episode, Ryan serves as a companion of the Thirteenth Doctor, an incarnation of the alien time traveller known as the Doctor (portrayed by Jodie Whittaker).



Ryan Sinclair is introduced in the eleventh series premiere, "The Woman Who Fell to Earth".

Ryan is a 19-year-old living in Sheffield, England who is training to be an electrical engineer while working part-time as a warehouse worker. He was raised by his paternal grandmother, Grace O'Brien, who recently married his step-grandfather, Graham O'Brien. Grace worked as a nurse, and met Graham while he was undergoing chemotherapy for cancer, about three years before they met the Doctor. Ryan and Yasmin Khan were in primary school together, though at the time they didn't know each other very closely.

Ryan has dyspraxia, a coordination disorder that impacts his motor skills. Though his symptoms are relatively mild and high-functioning, it affects his sense of balance to the point that he finds tasks like riding a bicycle extremely difficult.[1]

His father, Aaron, a marine electrical engineer, made an appearance in the 2019 New Year Special vs. the Daleks. Aaron has been absent most of Ryan's life since the death of his mother, and was also absent for Grace's funeral.

Other media[edit]

In September 2018, three new novels were announced, one featuring Ryan Sinclair. They are titled The Good Doctor, Molten Heart and Combat Magicks, with Ryan appearing primarily in Molten Heart.[2]

Casting and development[edit]

On 22 October 2017, it was announced that Cole had been cast as a companion in the eleventh series of Doctor Who, and would appear alongside Jodie Whittaker in 2018.[3]


  1. ^ "Series 11, Doctor Who - Ryan Sinclair - BBC One". BBC. Retrieved 2018-10-24.
  2. ^ Marcus (21 September 2018). "New Thirteenth Doctor Books". Doctor Who News. Retrieved 29 September 2018.
  3. ^ "Doctor Who: Bradley Walsh, Tosin Cole, Mandip Gill and Sharon D Clarke join Jodie Whittaker as regular cast members". Radio Times. 22 October 2017. Retrieved 22 October 2017.

External links[edit]