Wendy Craig replaced Vanessa Redgrave who was to make her feature debut but had to drop out because she was pregnant with her elder child (Natasha Richardson).
Joseph Losey's 10th film shot in the UK after he was blacklisted in Hollywood.
The first of Harold Pinter's three film collaborations with Joseph Losey. The other two were Accident and The Go-Between.
When Joseph Losey was hospitalized for two weeks during this shoot, Dirk Bogarde continued filming assisted by minute, daily instructions over the phone from Losey's hospital bed. When Losey returned to the set he did not re-shoot any of the script, much to the relief of cast and crew.