Back Graham O'Brien Spanish Graham O'Brien French グレアム・オブライエン Japanese Грэм О’Брайен Russian Graham O'Brien Turkish Грем О'Браян Ukrainian
| Graham O'Brien | |
|---|---|
| Doctor Who character | |
 Bradley Walsh as Graham O'Brien | |
| First appearance | "The Woman Who Fell to Earth" (2018) |
| Last appearance | "The Power of the Doctor" (2022) |
| Created by | Chris Chibnall |
| Portrayed by | Bradley Walsh |
| Duration | 2018–2022 |
| In-universe information | |
| Species | Human |
| Affiliation | Thirteenth Doctor |
| Spouse | Grace O'Brien (2015–2018; deceased) |
| Relatives | Aaron Sinclair (stepson) Ryan Sinclair (step-grandson) |
| Home | Earth |
Graham O'Brien is a fictional character created by Chris Chibnall and portrayed by Bradley Walsh in the long-running British sci-fi television series Doctor Who. A retired bus driver from Essex who is in remission from cancer, the character is portrayed as an everyman. In the show's eleventh series, starting with the first episode, he served as a companion of the thirteenth incarnation of the alien time traveller known as the Doctor (portrayed by Jodie Whittaker) until the 2021 New Year's Special "Revolution of the Daleks".