* Catherine Woodville also appears in Episode #52 "The Damsel in Distress"
* Nyree Dawn Porter had later a leading role in the ITC series "The Protectors"
* Philip Latham also appears in Episode #17 "The Elusive Ellshaw"
* Leon Cortez also appears in Episode #108 "The Scales of Justice"
* Geoffrey Bayldon also appears in Episode #89 "The Art Collectors"
* Geoffrey Bayldon became famous through the TV series "Catweazle" (1970-71).
* Ronald Leigh Hunt also appears in Episode #7 "The Arrow of God" and #108 "The Scales of Justice"
*
Altough uncredited this looks to me like Thomas Baptiste who also appears in Episode #7 "The
Arrow of God" and Episode #93 "Island of Chance".
*
Eddy puts on the mask and in the next scene it's on his forehead again - not to mention that one is actor Dudley Sutton and the other a stand-in. (0:01)
*
The same house was used in Episode #35 "The High Fence"
*
Why is there a car parked with the lights on? (0:07)
*
It's very obvious that this is not Roger Moore. (0:11)
*
Why is Garniman's car still parked in front of Deverest's house? (0:20)
*
Watch closely - before the closeup
goes from the scorpion to actress Catherine Woodville you can see it's
just a plastic toy drawn by a string. (0:39)
*
In the scene after that you can see that a real scorpion is climbing up the arm of a mannequin instead of a human's arm. [Contributed by Robert Verrall]