Andrew McCulloch (often credited as Andy McCulloch) is a British television writer and actor. He was born in Ayrshire, Scotland and lived there until he was 18 years old. He then trained as an actor at the Central School of Speech and Drama in London, leaving in 1968.

That year saw him act on stage in a performance of Gulliver's Travels at the Mermaid Theatre; this was soon followed by a television appearance in an episode of The Wednesday Play in 1969, followed by a movie version of David Copperfield (as Ham Peggotty). He then appeared in a variety of films and shows during the 1970s, including Cry of the Banshee, The Blood on Satan's Claw, Macbeth, Kidnapped, Dixon of Dock Green, The Land That Time Forgot, Softly Softly, Nicholas Nickleby and Target.

In 1980 he teamed up with John Flanagan to become a writing partnership, with his first credit for the Doctor Who story Meglos - however, a second script for the following season, Project Zeta-Sigma, failed to materialise. Further writing credits together include Coasting, Sleepers (in which he also appeared), Margery and Gladys, The Good Guys, Murder in Suburbia, Heartbeat and The Royal.

During the 1980s and 1990s he continued to act, appearing in shows such as Gulliver in Lilliput, The Baker Street Boys, By The Sword Divided, Father Ted, Tumbledown, Den of Lions, The Chief, Monsignor Renard, Taggart, The Bill, and Casualty. The 2000s included Heartbeat, Roger Roger, Down to Earth and Messiah: The Harrowing, with his last television credit to date being in an episode of Holby City.

Other stage appearances include Electra, Chips with Everthing, Gynt and A View from The Bridge in the 1970s, and then Submariners, Terra Nova and The Crucible in the 1980s. After a lengthy break from acting from 2009, he returned to acting in 2017, appearing on stage as Charlie in When Love Grows Old - The Weatherman with Close Quarter Productions at the Brighton Festival.

McCulloch lived in France for several years and is fluent in the language. He currenty lives in London with his wife.