Input (grade 13): This group consisted of Russ Abbot as a former milkman who fancied himself a secret agent, Hobbo, Burt Kwouk as the electrical repairman, Entwistle, and Murphy as Alvin.
Output (grade 8): The current cast is Russ Abbot as Hobbo Hobdyke, Burt Kwouk as Entwistle, and Brian Murphy as Alvin Smedley.