When his father died in 1933 the family returned to the United Kingdom and Green finished his education at Watford Grammar School.

[3] At the end of the war he was demobilised and won a Sir Alexander Korda scholarship to Royal Academy of Dramatic Art (RADA).

[3] He developed mobility problems caused by severe arthritis which ended his stage career and he concentrated on films and television, appearing in over 40 films including Hour of Decision (1957), Horrors of the Black Museum (1959) and The Hand (1960).

[3] As well as radio work where his talent for voices was in demand, Green recorded nearly 250 audio-books many for the Royal National Institute for the Blind.

In 1992 Green compered and narrated a TV spectacular Forty Glorious Years to mark the 40th anniversary of Queen Elizabeth II's accession.