Paul Eddington MP James Hacker Actor Nigel Hawthorne Sir Humphrey Appleby Actor Derek Fowlds Bernard Woolley Actor Frank Middlemass The Master of Ballie College Actor John Nettleton Sir Arnold Robinson Actor James Fox The Bursar of Ballie College Actor John Pennington Peter Actor Margo Johns Parks and Forestery Civil Servant Actor Peter Whitmore Director Antony Jay Writer Jonathan Lynn Writer