Paul Eddington MP James Hacker Actor Nigel Hawthorne Sir Humphrey Appleby Actor Derek Fowlds Bernard Woolley Actor Eleanor Bron Undersecretary Sarah Harrison Actor John Nettleton Sir Arnold Robinson Actor Diana Hoddinott Annie Hacker Actor Richard Simpson Sir Ian Actor Peter Howell Sir Bill Actor Jeffrey Segal Sir Peter Actor Donald Pelmear Sir John Actor Talla Hayes Cathy Actor Peter Whitmore Director Antony Jay Writer Jonathan Lynn Writer