Matt McCooey is a director and actor, known for Limbo (2012), Billy: Thoughts of a Substitute (2011) and Banana Skins (2014). He is son of Chris McCooey, British freelance journalist, photographer and author. His mother's side has a Japanese origin.
The Doctor, from a race called the Time Lords/Ladies whose home planet is Gallifrey, travels through time and space in his/her ship the TARDIS (an acronym for Time and Relative Dimension In Space) with numerous companions. From time to time he/she regenerates into a new form (which is how the series has been running since 1963).