Macdonald Carey ( Macdonald Carey )

Simon Wells

Shirley Anne Field ( Shirley Anne Field )

Joan

Viveca Lindfors ( Viveca Lindfors )

Freya Neilson

Alexander Knox ( Alexander Knox )

Bernard

Oliver Reed ( Oliver Reed )

King

Walter Gotell ( Walter Gotell )

Major Holland

James Villiers ( James Villiers )

Captain Gregory

Tom Kempinski ( Tom Kempinski )

Ted

Kenneth Cope ( Kenneth Cope )

Sid

Brian Oulton ( Brian Oulton )

Mr. Dingle

Barbara Everest ( Barbara Everest )

Miss Lamont

Allan McClelland ( Allan McClelland )

Mr. Stuart

James Maxwell ( James Maxwell )

Mr. Talbot

Rachel Clay ( Rachel Clay )

Victoria

Caroline Sheldon ( Caroline Sheldon )

Elizabeth

Rebecca Dignam ( Rebecca Dignam )

Anne

Siobhan Taylor ( Siobhan Taylor )

Mary

Nicholas Clay ( Nicholas Clay )

Richard (as Nicolas Clay)

Kit Williams ( Kit Williams )

Henry

Christopher Witty ( Christopher Witty )

William

David Palmer ( David Palmer )

George

John Thompson ( John Thompson )

Charles

Fiona Duncan ( Fiona Duncan )

Control Room Guard (uncredited)

León García ( León García )

Teddy Boy (uncredited)

Victor Gorf ( Victor Gorf )