Francis George Middlemass was an English actor, who even in his early career played older roles. He is best remembered for his television roles as Rocky Hardcastle in As Time Goes By, Algy Herries in To Serve Them All My Days and Dr. Alex Ferrenby in 20 episodes of Heartbeat. Middlemass was also active in the Royal Shakespeare Company and was the fourth and final actor to play Dan Archer in The Archers.

To Serve Them All My Days is a British television drama series, adapted by Andrew Davies from R. F. Delderfield's 1972 novel To Serve Them All My Days. It was first broadcast by the BBC over 13 episodes in 1980 and 1981. It was broadcast in Australia in 1981 by the Australian Broadcasting Commission, and in 1982 by PBS in the United States as part of their Masterpiece Theatre anthology series.