The population of the United Kingdom at the beginning of the 21st Century is static, thanks to computerised population control, but the wife of the Population Officer becomes pregnant for the second time.

Chloe Ashcroft
as Susanna

Frances Bennett
as Mrs. Proctor

Derek Chafer
as Man

Petra Davies
as Minister

Davyd Harries
as Yates

Bernard Holley
as TV Announcer

Bernard Horsfall
as John Stewart

Lynda La Plante
as Miss. Harvey

Julia Lockwood
as Mary Beldon

Garfield Morgan
as Henry Beldon