The Doctor is a Time Lord: a 900 year old alien with 2 hearts, part of a gifted civilization who mastered time travel. The Doctor saves planets for a living—more of a hobby actually, and the Doctor's very, very good at it.
Jodie Whittaker
The Doctor
Mandip Gill
Yasmin 'Yaz' Khan
John Bishop
Dan Lewis
Doctor Who
Andromeda
Seven Days
The Invaders
The Time Tunnel
Quantum Leap
Ben 10: Omniverse
Land of the Giants
Captain Scarlet and the Mysterons
Timeless
The Way Home
