John Slade Nettleton (5 February 1929 – 12 July 2023) was an English actor. He played Sir Arnold Robinson, Cabinet Secretary in Yes Minister (1980–1984) and President of the Campaign for Freedom of Information in the follow-up Yes, Prime Minister (1985–1988). Another political role for Nettleton was as Conservative Party MP Sir Stephen Baxter in the sitcom The New Statesman. (Via Wikipedia)