Alastair King (born 1967) is a British composer and conductor, perhaps best known for his musical contributions to film and television.
He frequently collaborates with composers Charlie Mole, Geoff Zanelli, Nicholas Hooper and Rupert Gregson-Williams by either conducting for them or acting as an orchestrator or both.
King studied music at Bath College of Higher Education, graduating in 1991.
In addition to his concert works, King has composed music for various films, including Shrek, Chicken Run, and Harry Potter and the Half-Blood Prince and television programmes, including the FIFA World Cup 2002, The Last Detective, Second Nature and William and Mary.
King's most recent roles include conducting and orchestrating on Doctor Who for Murray Gold and Segun Akinola.