On This Day (USA) - 13 September

Terror of the Zygons: Part Three premiered on BBC One in 1975 at 5:46pm BST, watched by 8.20 million viewers.

Broton, War Lord of the Zygons, sheds his human guise. Conquest of the World begins...

The Leisure Hive: Part Three premiered on BBC One in 1980 at 5:57pm BST, watched by 5.00 million viewers.

The Trial Of A Time Lord (The Mysterious Planet): Part Two premiered on BBC One in 1986 at 5:46pm BST, watched by 4.90 million viewers.

Battlefield: Part Two premiered on BBC One in 1989 at 7:34pm BST, watched by 3.90 million viewers.

Listen premiered on BBC One in 2014 at 7:31pm BST, watched by 7.01 million viewers.

The Time Lord and Clara are haunted by ghosts of the past and future, as they encounter a boy who doesn't want to enlist, a terrified caretaker at a children's home and the last man standing in the universe.

Doctor Who Extra: Listen premiered on BBC Red Button in 2014 at 10:55pm BST

Eric Potts was 57 - 2 credits, including Oliver Charles in Aliens of London / World War Three

Eric Potts is a British actor, who had parts in Coronation Street, as eccentric baker Diggory Compton, the father of Molly Compton, and Brookside as Wrexham Football Club Supporter, Mr Moore.

He played Oliver Charles in the 2005 Doctor Who story, Aliens of London.

Originally from Ayrshire, Potts transferred from law studies at Glasgow University to train at the Bristol Old Vic Theatre School from 1984�1987, then went on tour with the Theatre of Poland.

Early television credits included Peak Practice and The Smiths, and then in 1998 he began a two-year stint as oddball character Mr Moore in Brookside. Subsequent appearances were in HeartbeatThe RoyalLast of the Summer Wine and Steel River Blues. In 2005 he also had a part in Rochdale-based film The Jealous God

Potts appeared in the pantomimeDick Whittington, alongside Dame Edna Everage in December 2011 at the New Wimbledon Theatre, London.

Alan Bromly (died 1995 aged 79) would have been 107 - 2 credits, including Director for The Time Warrior

Alan Bromly directed the Doctor Who television stories The Time Warrior and Nightmare of Eden.

During the recording of Nightmare of Eden he fell out with the production team and left the series, his role being taken over by the producer Graham Williams.

Max J. Rosenberg (died 2004 aged 89) would have been 108 - 2 credits, including Producer for Dr Who and the Daleks(Aaru)

Max J. Rosenberg was an American film producer, whose career spanned six decades. He was particularly noted for his horror or supernatural films.

He produced the two films based on the Doctor Who: Dr Who and the Daleks (1965) and Daleks' Invasion Earth 2150 A.D. (1966). 

With Milton Subotsky he founded the British company Amicus Productions in 1962.

Over the course of his career, Rosenberg produced more than 50 films. In 1957, he produced the first horror film in colour The Curse of Frankenstein. Among the other horror and supernatural films he produced were such titles as Tales from the Crypt (1972), The Land That Time Forgot (1975), and its sequel, The People That Time Forgot (1977).

Rosenberg also produced a children's film, Lad, a Dog (1962), director Richard Lester's first film, It's Trad, Dad! (1962), He produced the 1968 film of Harold Pinter's The Birthday Party, starring Robert Shaw and directed by William Friedkin.