He is best known as the original Jack Sugden in Emmerdale, a role he played from 1972 to 1974 (with a brief return in 1976), then handed over the character to another actor, Clive Hornby. Burt's other television credits include Warship, Campion, Swallows and Amazons Forever!, I'm Alan Partridge, The Bill, Blake's 7, the Doctor Who story Terminus and the BBC series The Voyage of Charles Darwin, in which he played the captain of HMS Beagle, Robert FitzRoy. He has also provided voice-overs for numerous commercials.
Burt was educated at Silcoates School, Wakefield and the University of Kent. He trained at Rose Bruford College of Drama and has considerable repertory experience, his preferred medium of acting being the stage. Andrew also was in an episode of Crown Court on ITV called "Question of Care".
He now lives in Ealing, West London, where he works as a counsellor for people with stress-related illnesses.