George Sanders as Gordon Zellaby

Barbara Shelley as Anthea Zellaby

Martin Stephens as David Zellaby

Michael Gwynn as Alan Bernard

Laurence Naismith as Dr. Willers

Richard Warner as Harrington

Jenny Laird as Mrs. Harrington

Sarah Long as Evelyn Harrington

Thomas Heathcote as James Pawle

Charlotte Mitchell as Janet Pawle

Pamela Buck as Milly Hughes

Rosamund Greenwood as Miss Ogle

Susan Richards as Mrs. Plumpton

Bernard Archard as Vicar

Peter Vaughan as P.C. Gobby

John Phillips as General Leighton

Richard Vernon as Edgar Hargraves

John Stuart as Professor Smith

Keith Pyott as Dr. Carlisle

Alexander Archdale as Coroner

Sheila Robins as Nurse

Tom Bowman as Pilot

Anthony Harrison as Lieutenant

Diane Aubrey as WRAC Secretary

Gerald Paris as Sapper

June Cowell as Child

Linda Bateson as Child

John Kelly as Child

Carla Cura as Child

Lesley Scoble as Child

Mark Mileham as Child

Roger Malik as Child

Elizabeth Munden as Child

Teri Scoble as Child

Peter Preidel as Child

Peter Taylor as Child

Howard Knight as Child

Brian Smith as Village Child

Janice Howley as Village Child

Paul Norman as Village Child

Robert Marks as Village Child

John Bush as Village Child

Billy Lawrence as Village Child

Denis Gilmore as Keith older brother (uncredited)