Dan Starkey is an English actor known for making numerous appearances in the BBC One science-fiction TV series Doctor Who. He has portrayed a number of different Sontaran characters, most notably Strax, who has come across the Eleventh and Twelfth incarnations of the Doctor, played by Matt Smith and Peter Capaldi respectively. In 2016 joined the CBBC sketch show, Class Dismissed and has appeared in 36 episodes He left the show after Series 3.

The Sontarans are a fictional race of extraterrestrial humanoids principally portrayed in the British science fiction television programme Doctor Who and its spin-off series The Sarah Jane Adventures. A warrior race characterised by their ruthlessness and fearlessness of death, they were conceived by writer and future story editor Robert Holmes and first appeared in the 1973 Doctor Who serial The Time Warrior.