The 6th London Police Officer is a character from the Captain Scarlet and the Mysterons episode Big Ben Strikes Again. He, along with the fifth police officer, were responsible for locating Macey's transporter after it had disappeared. They were unsuccessful.
He was a silent character.
- The puppet used for the 6th Police Officer was used in the previous episode, Winged Assassin, as Director-General Xian Yoh's assassin at the beginning of the episode. It later made an appearance as the Big Bear Sentry in Avalanche, MCA Tanker Driver Pete in Point 783, the Delta garage Attendant in Special Assignment, Kruger in The Heart Of New York in the Sergeant in Treble Cross and a Spectrum Guard in Codename Europa.
- In Joe 90 it appears as the Base 513 Guard in The Most Special Agent, the Border Guard in International Concerto, Rollins in Relative Danger, Sherman in Double Agent and Commander Kovac in Arctic Adventure.
- In The Secret Service, it made an appearance as the Foreign Ambassador in A Case for the Bishop, with a moustache and as Mullins in More Haste Less Speed.