Dean was voiced by Charles Tingwell.
- In the bonus content for the Captain Scarlet Volume 4 Bluray, Dean's first name is given as Robin.
- As a revamp character, Lieutenant Dean's puppet made many other appearances throughout the series. They were: the Airport Chief, 2nd London Police Officer, SHEF Guard, Geiger Operator, Clark, a submarine seaman in White as Snow, and Bill Williams.
- In Joe 90 it appears as Captain William Barry in Splashdown, Senator Casper in International Concerto, the Major in Business Holiday, the XV104 Pilot in Arctic Adventure, the Sergeant in Colonel McClaine and a Barman in Lone-Handed 90.
- It appears in The Secret Service, as the London Airport Controller in A Case for the Bishop, the Port Trennick Guard in A Question Of Miracles, Sargent Walsh in Recall To Service and the Air Traffic Assistant in May-Day, May-Day!
- The puppet for the 1st Medical Student in Operation Time was used as Lieutenant Dean in the original shot of the MEV crew, in the opening scene of The Mysterons.