Andy Davidson is a fictional character in the BBC television programme Torchwood, portrayed by Tom Price, a spin-off from the long-running series Doctor Who.

Andy, an officer with the South Wales Police, is a supporting character who first appears in Torchwood's premiere episode "Everything Changes" and recurs regularly from thereon.

By the time of the fourth series, Miracle Day (2011), set two years after the previous serial, Andy has been promoted to the rank of sergeant and acts as a UK-based ally to the now-transatlantic Torchwood team.

Andy first appears in the series première "Everything Changes" (2006) and is present when his police partner Gwen Cooper sustains a head injury, causing him to remain sceptical when she begins tracking Captain Jack Harkness (John Barrowman) and Torchwood.

He struggles with his duty as he watches the police and the army forcefully seizing children in order to appease the 456 and ultimately discards his uniform to fight alongside rioting civilians against the authorities.

Along with other South Wales police officers he assists with CIA agent Rex Matheson's (Mekhi Phifer) extradition of Jack and Gwen to the United States.

[13] In "Immortal Sins" Andy is called upon by Esther Drummond (Alexa Havins) to rescue Gwen's family from a hostage situation, shooting one of the captors in the process.

[21] Andy has a central role in the 2012 audiobook Fallout, read by Tom Price and set after the conclusion of Miracle Day, where he must investigate alien technology in the absence of Gwen and Torchwood.

[23] Andy subsequently plays a large role in the audiobook Mr Invincible, also narrated by Price, where he joins forces with Captain Jack to investigate a number of time-related discrepancies in the Cardiff area.

[24] He has a much more substantial role in the audio dramas created by Big Finish Productions, starting in Ghost Mission, where in he meets Norton Folgate, a character he would go on to have more adventures with.

Director Brian Kelly opines that it makes perfect sense for Andy to return in episode thirteen as "he is the person who would phone Gwen" in a crisis situation.

[34] Writer Stephen James Walker opines that Andy maintains the shows link to reality equally as well as Gwen's partner Rhys, describing Price as "a thoroughly likeable and engaging performer with a great lightness of touch, and someone that the viewer is very happy to see more of".

[27] After the broadcast of the episode "Exit Wounds", both Airlock Alpha's Alan Stanley Blair and AfterElton's Steven Frank commented favourably on the humorous Rhys/Andy dynamic, each stating that the two could carry their own spin-off.

[42][43] Jeffrey felt the character to be "heroic" in "Immortal Sins" and states that his leading the armed response rescue of Gwen's family was the best thing about the episodes denouement.

[45] However, Marnell felt that Andy's comforting of the young dying girl in the episode's conclusion provided "the most human moment" of the finalé and that this served as "a huge indictment against the rest of the characters".