The Inquisition is the 32nd produced episode - and the series finale - of the British television series Captain Scarlet and the Mysterons.
Those listed below are character unique to the episode (not from flashback clips):
Flashback: Big Ben Strikes Again
- Macey - Charles Tingwell
- 1st London Police Officer - Paul Maxwell
- 2nd London Police Officer - Martin King
- 3rd London Police Officer - Jeremy Wilkin
- 4th London Police Officer - Neil McCallum
Flashback: Crater 101
Flashback: The Trap
- This is the only episode in the series in which neither Colonel White nor the real Cloudbase appear.
- The puppet that plays Colgan was a newly made copy of the Sam Loover puppet, as the original was making its debut as Sam Loover in Joe 90 while "The Inquisition" was being filmed.