On This Day (USA) - 12 July

Submission premiered on Radio 4 in 2011 at 2:15pm BST

A mishap on the Severn Bridge causes the SUV to plunge into the water, where the team picks up a mysterious distress signal. After pulling some strings with the US government, Jack secures a place on board the USS Calvin, and leads Gwen and Ianto on an expedition into the Mariana Trench, the deepest part of the Pacific Ocean.

Florence Hoath will be 39 - credited as Nancy in The Empty Child / The Doctor Dances

Florence Angela L. Hoath(born 12 July 1984 in London) is a British actress best known for her 2005 appearances as Nancy in Doctor Who.

The daughter of British actress Tina Martin, Hoath made her film debut in the 1993 screen adaptation of Secret Rapture at the age of eight. Since then she has starred in a number of film and television productions, including the 2005 Doctor Who episodes "The Empty Child" and "The Doctor Dances". Also in that year, Hoath was cast to play the regular role of George Fitzgerald in Channel 5's daytime soap Family Affairs, but the show was cancelled weeks after her introduction, the final episode being broadcast in December 2005.

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

Tom Price will be 43 - 32 credits, including Andy Davidson in The Torchwood Archive(BF)

Tom Price is a British actor, voice over artist and stand up comedian, who had a regular role as Andy Davidson in Torchwood.

His first TV appearance was playing a waiter in an Episode of Absolute Power. In 2008 he starred in the BBC Three sketch show The Wrong Door and filmed the role of Darrin Stephens in a pilot UK remake of Bewitched. Other TV appearances include Doctors(2009) and Secret Diary of a Call Girl (2010).

Price appeared as Gordon, a young drunken doctor, in the BBC Radio 4 comedy show Rigor Mortis for three series.

He often works as a standup comedian in and around London. He was in the final of the Daily Telegraph Open Mic award in 2001. He was one of the faces of Destination Three, and he presented Senseless on MTV.

Sara Griffiths will be 55 - 2 credits, including Ray in Delta and the Bannermen

Sara Griffiths  is an English actress

She appeared as Ray in the 1987 Doctor Who story Delta and the Bannermen and was considered as a companion to the Doctor, a role subsequently taken by Sophie Aldred.

She has appeared in many British television series including The Chief, Gentlemen & Players, Ruth Rendell Movies, Van der Valk, Emmerdale, Holby City, The Bill and Doctors. 

In 2006 she appeared in the Big Finish Doctor Who play I.D, alongside 6th Doctor Colin Baker. 

She appeared in the West End in Inspector Calls, spent a year at the Royal National Theatre & has done numerous productions on tour, abroad and in the UK. 

Richard Herring will be 56 - 2 credits, including Taylor Renchard in Real Time(Misc)

Richard Herring is a British comedian and writer, whose early work includes the double-act, Lee and Herring. 

He is described by the British Theatre Guide as "one of the leading hidden masters of modern British comedy". He has written and performed in a body of live one-man comedy shows including the acclaimed Talking Cock and the resulting book of the same name. He has also collaborated with the broadcaster Andrew Collins, initially on the radio series Banter, then on Collins' BBC Radio 6 Music show and on The Collings and Herrin Podcast.

During the 2000s, Herring toured with a new stand-up show almost every year. His 2010 show Christ on a Bike: The Second Coming received several 4- and 5-star reviews. It was the subject of protests from Christians in Glasgow and Lowestoft.

Tamsin Greig will be 57 - credited as Nurse in The Long Game

Tamsin Greig is an English actress principally known for two Channel 4 television comedy parts: Fran Katzenjammer in Black Books and Dr. Caroline Todd in Green Wing.

She played the Nurse in the 2005 Doctor Who story The Long Game.

 Other notable roles include Alice Chenery in BBC One's comedy drama Love Soup, Debbie Aldridge in BBC Radio 4's soap opera The Archers, Miss Bates in the 2009 BBC version of Jane Austen's Emma, Beverly Lincoln in transatlantic sitcom Episodes and Jackie in the Channel 4 sitcom Friday Night Dinner.

Everett DeRoche will be 77 - credited as Writer for Fear Itself(K-9)

Everett De Roche is an American born screenwriter who has worked extensively in Australian film and TV.

He worked on the K9 series

Peter Brayham (died 2006 aged 70) would be 87 - 3 credits, including Stunt coordinator for New Earth

Stunt coordinator for The Christmas Invasion; New Earth; School Reunion.

Also worked on Life on MarsFoyle's WarSilent WitnessThe Kindness of StrangersHustleJudge John DeedJerichoFestivalShoebox ZooRose and MaloneyCutting ItMurder CityEngland ExpectsWinter SolsticeThe RoyalTrial & RetributionThe PlanmanThe CommanderState of MindMy Uncle Silas IIMy Uncle SilasBaitStill GameAl's LadsParadise HeightsThe BillFootballers' WivesNight FlightSentinels of DarknessLinda GreenLargeVacuuming Completely Nude in ParadiseTake MeHigh Heels and Low LifesBridget Jones's DiaryIntimacyMind GamesComplicityCircusGrange HillCI5: The New ProfessionalsDoomwatch: Winter AngelWhatever Happened to Harold Smith?DangerfieldSmack the PonyPeak PracticeFar from the Madding CrowdThe Ebb-TideSpice WorldA Dance to the Music of TimeBring Me the Head of Mavis DavisTwin TownIndian SummerPrime Suspect 5: Errors of JudgementThe Leading ManCrimetimeWhen Saturday ComesThe Near RoomA Mind to MurderCrackerSeaforthFinneyGrushkoEarthfastsSoldier SoldierThe HawkBody & SoulLovejoyFrankensteinRuth Rendell MysteriesUnderbellyBoonScreen OnePrime SuspectMedicsLife Is SweetJekyll & HydeTank MallingSaracenChildren's WardMy Left FootThe Lion, the Witch, & the Wardrobe

Brian Cant (died 2017 aged 83) would be 90 - 2 credits, including Tensa in The Dominators

Brian Cant  is an English actor,television presenter and writer best know for his work on BBC children's programmes from the 1960s to the 1980s, including Play School, Play Away, Trumpton, Chigley, Camberwick Green and Bric-A-Brac. 

He appeared in two Doctor Who stories playing Kurt Gantry in The Nightmare Begins and Tensa in The Dominators

Born in Ipswich, he was performing in drama-based BBC TV Schools Programmes about the Romans when he heard that auditions were being held for Play School. He was cast as a presenter and first appeared on the third week in May 1964, and stayed with the programme for twenty-one years and appearing on the weekend spin off Play Away.

Aside from his work on children's television, Cant is also an established actor. He was one of the guest presenters used in the 1982 series of the game show It's a Knockout after Eddie Waring retired.

On 28 November 2010 Cant received the special award at the Children's BAFTAs for his work in children's television.

Frank Windsor (died 2020 aged 92) would be 95 - 2 credits, including Ranulf in The King's Demons

Frank Windsor is an English actor, best know for his role as Detective Sergeant John Watt in Z-Cars and its spin-off Softly, Softly: Taskforce.

He played two character in Doctor Who in the 1980's appearing in The King's Demons and Ghost Light.

He began his career on radio and made an appearance in a 1953 film of Henry V. His first TV appearances were in 1960 in a series of Shakespearean plays.

In 1969 he appeared in the pilot episode of Randall and Hopkirk (Deceased) in the episode My Late Lamented Friend and Partner as the wealthy businessman Sorrensen with a murderous streak. 

He has also had regular roles in the BBC drama Casualty and the ITV drama Peak Practice; played Major Charlie Grace in EastEnders (1992) had various stage roles, and in his later years appeared in a number of television commercials advertising life-assurance policies for the over-50s.

Andrew Hunter (died 2021) - 9 credits, including Grams Operator for Planet of the Spiders

Grams Operator

Gordon Flemyng (died 1995 aged 61) - 3 credits, including Director for Dr Who and the Daleks(Aaru)

Flemyng directed a number of episodes from fantasy series, including The Avengers, The Saint, The Baron, detective series such as Bergerac, Taggart and The Bill, and other popular drama including Minder, Lovejoy and Emmerdale. He also produced as well as directed his last job, Ellington

The actor Jason Flemying is his son.