Melissa Stribling who appears in this episode was the wife of Basil Dearden who had previously directed Roger Moore in his feature film ' The man who haunted himself'. Dearden also directed this episode but died 4 months before this episode was first transmitted in 1971. Melissa herself died in 1992.
When Brett Sinclair and the girl Pekoo enter her friend's apartment and find a man inside the room, Brett fights with the man. A picture of Alain Delon can be seen hanging on the wall at the back..
Annette Andre appeared in 5 episodes of The Saint with Roger Moore