Input (grade 13): The main cast of the 30th series consists of Russ Abbot as a former milkman who fancies himself a secret agent, Hobbo, Burt Kwouk as the electrical repairman, Entwistle, and Brian Murphy as the childish Alvin.
Output (grade 8): The current cast is Russ Abbot as Hobbo Hobdyke, Burt Kwouk as Entwistle, and Brian Murphy as Alvin Smedley.