The Meeting Advisor was a character from Operation Crash-Dive. He was seen attending the meeting held by the International Air Minister, along with Commander Norman, Lieutenant Burroughs and Patterson, in the aftermath of the third Fireflash disaster.
- The puppet that played the Meeting Advisor first appeared in Trapped in the Sky, as a passenger in the departure lounge at London International Airport. At the end of the same episode, it played Kyrano's Doctor. It later put in a number of cameo appearances: as an unnamed gambler in The Duchess Assignment, as a staff member at Satellite HQ in Cry Wolf, and as a journalist in The Mighty Atom. To top it off, it appeared at the Space Exploration Center board meeting in the movie Thunderbirds Are Go.