On This Day (USA) - 18 September

Galaxy 4: Trap of Steel premiered on BBC One in 1965 at 5:50pm BST, watched by 9.50 million viewers.

While Steven is a hostage, the Doctor and Vicki are forced to search out the Rills.

The Masque of Mandragora: Part Three premiered on BBC One in 1976 at 6:11pm BST, watched by 9.20 million viewers.

Tempted by the promises of ultimate power offered by Mandragora, Hieronymous plots to eliminate the threat posed by the Doctor and uses an unwitting Sarah as his weapon.

Radio 1 Breakfast Show - Jenna Coleman premiered on BBC Radio 1 in 2015 at 6:33am BST

Doctor Who's Jenna Coleman pops in, plus it's Friday - must be The Nixtape!

The Doctor's Meditation premiered on BBC America in 2015 at 10:00pm EDT, watched by 0.69 million viewers.

Gary Russell was 59 - 159 credits, including Director for Dreamland

Gary James Russell  is a freelance writer and former child actor. As a writer, he is best known for his work in connection with the television series Doctor Who and its spin-offs in other media. As an actor he is best known for playing Dick Kirrin in the British 1978 television series, The Famous Five.

Russell was born in MaidenheadBerkshireEnglandUK.

 His on-screen acting career ranged from leading roles in the BBC's adaptation of E. Nesbit's novel The Phoenix and the Carpet and ITV's adaptations of Enid Blyton's Famous Five novels (as Dick) to a very minor walk-on part in the James Bond movie Octopussy.[citation needed] He has also appeared on stage. 

He was editor of Doctor Who Magazine between 1992 and 1995. He was the producer for the Doctor Who licensed audio drama tie-ins at Big Finish Productions from its inception in 1998 until July 2006, when he stepped down to work for BBC Wales on Doctor Who and Torchwood. He has written a number of Doctor Who spin-off novels and in 2000 co-wrote with executive producer Philip Segal the book Doctor Who: Regeneration, the making-of book of the 1996 Doctor Who television movie, as well as the TV movie's novelisation in 1996.

He wrote The Art of The Lord of the Rings, which was also published as three separate books (one for each film), and contributed to Gollum: How We Made Movie Magic with Andy Serkis. His behind-the-scenes book Doctor Who: The Inside Story was published in October 2006, coinciding with his joining the Doctor Who production team. His most recent reference work was also for Doctor Who; published in 2007 by BBC Books, The Doctor Who Encyclopedia is a guide to the current Doctor Who series (2005�present). In 2007, he directed the animated mini series "The Infinite Quest", which tied in with the 2007 television series of Doctor Who.

As of 2011/2012, having left BBC Wales, he has returned to Big Finish to produce the Bernice Summerfield audios and the Gallifrey audios.

Biography from the Wikipedia article, licensed under CC-BY-SA

Tim McInnerny was 66 - 2 credits, including Mr Halpen in Planet of the Ood

Tim McInnerny is an English actor. 

One of McInnerny's first roles was the bumbling aristocrat Lord Percy Percy in the The Black Adder during the early 1980's. He reprised his role in the second series Blackadder II but declined to do so for the third series for fear of being typecast, though he did make a guest appearance in one episode. The following year, he returned to the cast for the fourth series Blackadder Goes Forth as CaptainKevin Darling, the cowardly aide of Stephen Fry's General Melchett, alongside Rowan Atkinson and Tony Robinson.

McInnerny has also starred in various films including Wetherby101 Dalmatians, where he was reunited with Blackadder co-star Hugh Laurie, and Notting Hill, written by Blackadder creator Richard Curtis.

Besides television, McInnerny also does dramatic works. He played Dr. Frank-N-Furter in the 1990 West End production of The Rocky Horror Show. His performance can be heard on the soundtrack album of this production. He was cast in Pravda alongside Anthony Hopkins. In summer 2007, he played Iago in Othello at Shakespeare's Globe on Bankside in London and in 2010 Tiberius in a radio adaptation of I, Claudius.

In 1989, he co-starred with Kate Bush in the music video for her song "This Woman's Work". He also appeared in the Westlife video for "Uptown Girl", along with Robert BathurstCrispin Bonham-CarterIoan Gruffudd and James Wilby. In 2006 he starred in One Day, a short film shown at various international film festivals.

Paul Seed was 75 - credited as Graff Vynda K in The Ribos Operation

Paul Seed is a British television director and former actor.

Born in Bideford in Devon, he began his career as an actor, appearing in numerous television series, including Z-CarsSoftly Softly: TaskforceSurvivorsDoctor WhoSecret ArmyCoronation StreetCrown Court and Tales of the Unexpected. Paul Seed currently lives in Torrington, Devon, and is married to fellow actor Elizabeth Cassidy.

In the late 1970s, Seed chose to pursue a career in TV drama directing and completed the BBC Directors' course, following which he directed numerous TV plays, series and serials during the 1980s. He is perhaps best known for directing the BBC's smash-hit 1990 mini-series House of Cards and its sequel To Play the King, adapted by Andrew Davies from Michael Dobbs' novels and famously starring Ian Richardson asFrancis Urquhart.

He continued to direct for television drama series throughout the 1990s including A Touch of Frost and Playing the Field, and in 2002 directed all six episodes of the revival of Auf Wiedersehen, Pet.

In recent years, he has directed episodes of New TricksNorthern Lights and Lark Rise to Candleford, and in 2010 directed the BBC adaptation of Just William.

Biography from the Wikipedia article, licensed under CC-BY-SA 

Russ Abbot was 75 - credited as Martin Trueman in Secrets of the Stars(SJA)

Russ Abbot (born Russell Allan Roberts 18 September 1947 in Ellesmere Port) is an English musician, comedian and actor. Abbot first came to public notice during the 1970s as the singer and drummer with British comedy showband the Black Abbots, later forging a prominent solo career as a television comedian with his own weekly show on British television.

Continuing his musical career as a solo artist Abbot released several charting singles and albums. Latterly his career has continued with a shift into more mainstream serious acting in television shows, series and stage productions.

Biography from the wikipedia article, licensed under CC-BY-SA

Michael Allaby was 89 - credited as Larn in The Keys of Marinus

Michael Allaby played an Ice Soldier and Larn in the 1964 Doctor Who story The Keys of Marinus.

Elizabeth Spriggs (died 2008 aged 78) would have been 93 - credited as Tabby in Paradise Towers

Elizabeth Spriggs was an English character actress.

She appeared in the 1987 Doctor Who story Paradise Towers

Spriggs  studied at the Royal College of Music and taught speech and drama in Coventry, Warwickshire. She was a regular performer with the RSC under Peter Hall until 1976, playing many important Shakespearean roles, including Nurse in Romeo and Juliet, an acclaimed Gertrude in Hamlet opposite David Warner, Calpurnia in Julius Caesar, Mistress Ford in The Merry Wives of Windsor and a witty Beatrice in Much Ado About Nothing. 

On television she was in Frederic Raphael's The Glittering Prizes (1976), played Connie, the head of a battling South London family in the thirteen-part drama Fox (1980) and was the formidable Nan in the ITV comedy series Shine On Harvey Moon (1982–85). She appeared in three plays by Alan Bennett:Afternoon Off (1979), Intensive Care (1982) and Our Winnie (1982). 

In 1990, she gave a memorable performance in the BBC adaptation of Jeanette Winterson's Oranges Are Not the Only Fruit and in 1992, was in television versions of Kingsley Amis's The Old Devils and Angus Wilson's Anglo-Saxon Attitudes.