Led by a sinister minister, a controlling religious sect called the Brethren has taken control of widow Birdy Wemys, sending her unstable son, Kenny, into a spiraling descent into madness and murder. No woman is safe when Kenny's religious mania overpowers him and leads to a rampage of carnage and chaos!
Ann Todd
as Birdy Wemys
Patrick Magee
as Minister
Tony Beckley
as Kenny Wemys
Percy Herbert
as Commissionaire Jim Hudson
Suzanna Leigh
as Patricia 'Paddy' Lynch
David Lodge
as CID Inspector
Ronald Allen
as Paul
Madeleine Hinde
as Brigitte Lynch
Jeannette Wild
as Prostitute
Susanna East
as Teenage Girl
Brenda Kempner
as Congregation
Hani Borelle
as Riverside Girl
