On This Day (USA) - 24 August

The Dominators: Episode 3 premiered on BBC One in 1968 at 5:15pm BST, watched by 5.40 million viewers.

Zoe and the Dulcians are captured by the Quarks and set to work. Unable to convince the Dulcian council of the Dominator threat, the Doctor returns to the island to rescue Zoe.

Human Nature premiered on SyFy (East Coast Feed) in 2007 at 8:00pm EDT

Doctor Who Extra: Deep Breath premiered on BBC Red Button in 2014 at 6:15pm BST

Gordon Warnecke will be 61 - credited as Tuza in The Trial Of A Time Lord (Mindwarp)

Gordon Warneckeis an English actor of Indo-Guyanese and German descent.

He is perhaps best known for his role as Omar in the 1985 film My Beautiful Laundrette, co-starring as the lover of Johnny (Daniel Day-Lewis). Other film credits include Franco Zeffirelli'sYoung Toscanini and Hanif Kureishi's London Kills Me.

Television credits include: BoonDoctor Who (in the serial Mindwarp), Only Fools and HorsesVirtual MurderBirds of a FeatherEastEnders and The Bill.

An experienced theatre actor, he has performed with the Royal Shakespeare Company and the Royal Court Theatre, and most recently returned to the stage with a national tour of Ibsen's An Enemy of the People for Tara Arts, and two new contemporary adaptations of Christmas productions at the Trinity Theatre in Tunbridge WellsKent.He has written and directed a short film 'The Magician' which will be released in March 2012.

Stephen Fry will be 66 - 2 credits, including The Minister Of Chance in Death Comes To Time

Stephen Fry is an English actor, comedian and writer.

Fry's acting roles include a Golden Globe Award-nominated lead performance in the film Wilde, Melchett in the BBC television series Blackadder, the title character in the television series Kingdom, a recurring guest role as Dr Gordon Wyatt on the crime series Bones, and as Gordon Deitrich in the dystopian thriller V for Vendetta.

He has also written and presented several documentary series, including the Emmy Award-winning Stephen Fry: The Secret Life of the Manic Depressive, which saw him explore his bipolar disorder, and the travel series Stephen Fry in America. 

Fry is also known for his voice-overs, reading all seven of the Harry Potter novels for the UK audiobook recordings, narrating the LittleBigPlanet and Birds of Steel series of video games, as well as an animated series of explanations of the laws of cricket, and a series of animations about Humanism for Humanists UK.

William Morgan Sheppard (died 2019 aged 86) would be 91 - 2 credits, including Canton Delaware in The Wedding of River Song
William Morgan Sheppard was born in London to an Anglo-Irish family. Educated in Ireland he graduated from the Royal Academy of Dramatic Art 1956-58 before spending 12 years as Associate Artist with the Royal Shakespeare Company.

He appeared on Broadway in 1966 with Marat/Sade and later in 1975 with Sherlock Holmes. He won the Los Angeles Drama Critics Circle Award for The Homecoming in 1995, at the Matrix Theatre.

Sheppard appeared in several episodes of different series of Star Trek, notably "The Schizoid Man", as well as the feature film Star Trek VI: The Undiscovered Country. He also had roles as Blank Reg on Max Headroom and Confederate General Isaac Trimble in the filmsGettysburg and Gods and Generals.

He has appeared in two roles on the science fiction series Babylon 5 and played a computer hologram for an A.I. program during the first and second season of seaQuest DSV. He appeared in two episodes of MacGyver as well as appearing in the show Minder.

He appeared in the 1978 TV-film The Nativity and starred alongside John Terry in the 1980 fantasy film Hawk the Slayer. He appeared in the 1992 comedy film There Goes the Neighborhood. He appeared in the 1988 comedy horror film Elvira, Mistress of the Dark as Elvira's Great-Uncle Vincent Talbot who was an evil warlock. Sheppard was cast in the 1996 adventure game Zork Nemesis and in 2000 he voiced the character Ignatius Cheese in the game Escape from Monkey Island. He played the role of Captain Archibald Witwicky in the 2007 live action film Transformers.

In the opening episode of series six of Doctor Who, "The Impossible Astronaut" he plays an older version of the character Canton Everett Delaware III while his son Mark Sheppard portrays the younger version.

Jimmy Gardner (died 2010 aged 85) would be 99 - 2 credits, including Idmon in Underworld

Jimmy Gardner had two roles in Doctor Who. In 1964 he played the role of Chenchu, the manager of the way station at Tun-Huang, in the fourth story of the series Marco Polo. He returned to the series in 1978 to play the role of Idmon in the fourth Doctor story Underworld. Idmon was a Trog on the planet formed around the P7E, and the father of Idas. He tried to encourage the other Trogs to rebel, but was arrested by the Guards and selected for sacrifice. He was rescued by the Doctor and escaped his planet's destruction on board the R1C.

Gardner had a long eventful life. He was a war hero, a survivor of two shipwrecks and numerous escapades on land, and was awarded the Distinguished Flying Medal after completing some 30 missions as a Halifax rear gunner in No 10 Squadron. After the war he trained as an actor at The Central School and had a long career in television, film and stage. He appeared in many classic TV series including The Forsyte Saga, The Lion, the Witch and the Wardrobe, Dixon of Dock Green, Z Cars and The Onedin Line. In film he worked on Robin Hood: Prince of Thieves and had his most notorious role as Ernie the bus driver in Harry Potter and the Prisoner of Azkaban.