Anne Heywood
Tracey Lawrence
Acting
Richard Todd
Geoffrey Lawrence
Acting
Nicole Maurey
Helen
Acting
Jack Hedley
Inspector McInnes
Acting
Jeremy Brett
Mullen (The Intruder)
Acting
Maurice Denham
Crawford
Acting
Patrick Magee
Simmonds
Acting
Gwen Watford
Sister Holden
Acting
Verina Greenlaw
Selina
Acting
Pauline Delaney
Agnes, Selina's Mother
Acting