Allan Gilliver was born in Yorkshire in 1944. He started his career with Huddersfield Town in 1961 after being spotted by a talent scout, and went on to play for several English clubs including Bradford who he signed for in 1972 and again in 1978. After his playing career ended his connection with Bradford City continued through a number of roles including groundsman, safety officer and commercial manager.
Allan played for Brighton & Hove Albion between 1969 and 1971. He made 68 appearances and scored 24 goals.