Knife Edge

Emma

Charles Pollock

Flora

Lucy

Marjorie Blake

Pauline

Jocelyn Partington

Derek Partington

Henri Connaught

Thomas Connaught

Shelley

Josephine

Elizabeth Earnshaw

Dead Girl

Martin

Bart Landis

Jack

Alfred

Pierre La Font

Andrew

Builder

Villian in Court (uncredited)

Miss Prescott (uncredited)