As the power of the TARDIS threatens to escape and destroy the ship, the travellers become increasingly paranoid and hostile towards each other.

As the Martian fungus begins to spread, Zoe, Jamie and Gia Kelly attempt to strike back against Slaar and his occupying force of Ice Warriors.

The mutated Noah has now fully transformed into a Wirrn adult and intends to allow the Wirrn to devour the sleeping humans, absorbing their memories and knowledge.

What is the secret of the screaming skull?

Claire Bloom was born in the North London suburb of Finchley, the daughter of Elizabeth (née Grew) and Edward Max Blume.

After training at the Guildhall School of Music & Drama and the Central School of Speech and Drama, Bloom made her debut on BBC radio programmes. She made her stage debut in 1946, when she was 15, with the Oxford Repertory Theatre. Her London stage debut was in 1947 in the hit Christopher Fry play The Lady's Not For Burning, which also featured the young Richard Burton, starred John Gielgud and Pamela Brown and which, subsequently, was produced, with the aforementioned four, on Broadway in New York. The following year, she received great acclaim for her portrayal of Ophelia in Hamlet, the first of many works by William Shakespeare in which Bloom would appear.

Bloom has appeared in a number of plays and theatrical works in both London and New York. Those works include Look Back in Anger,Rashomon, and Bloom's favorite role, that of Blanche in the Tennessee Williams play A Streetcar Named Desire. Bloom has also performed in a one woman show that included monologues from several of her stage performances. She also starred in 1976 Broadway revival of The Innocents.

Bloom's first film role was in 1948, for the film The Blind Goddess.

She was chosen by Charlie Chaplin in 1952 to appear in his film Limelight, which catapulted Bloom to stardom, and remains one of her most memorable roles. She was subsequently featured in a number of "costume" roles in films such as Alexander the Great, The Brothers Karamazov, The Buccaneer, and The Wonderful World of the Brothers Grimm. Bloom also appeared in Laurence Olivier's film version ofRichard III, where she played Lady Anne, Ibsen's A Doll's House, The Outrage with Paul Newman and Laurence Harvey, as well as the filmsThe Spy Who Came in from the Cold and Look Back in Anger, both with Richard Burton.

In the 1960s she began to play more contemporary roles, including an unhinged housewife in The Chapman Report, a psychologist in the Oscar winning film Charly, and Theodora in The Haunting. She also appeared in the Woody Allen films Crimes and Misdemeanors (1989) andMighty Aphrodite (1995). She played Hera in Clash of the Titans. Laurence Olivier played Zeus her husband, and in Richard III she played the wife of Richard, who he played. Her most recent appearance in a Hollywood film was in the 2010 film The King's Speech.

Bloom has appeared on television, perhaps the most memorable of which was her portrayal of Lady Marchmain in Brideshead Revisited(1981). Other roles included two prominent BBC Television productions for director Rudolph Cartier; co-starring with Sean Connery in Anna Karenina (1961), and playing Cathy in Wuthering Heights with Keith Michell as Heathcliff (1962).^[3] She also appeared as First Lady Edith Wilson in Backstairs at the White House (1979); as Joy Gresham, the wife of C. S. Lewis in Shadowlands (For that performance she received the BAFTA Award as Best Actress. (1985), and as the older Sophy in the 1992 mini-series The Camomile Lawn on Britain's Channel 4. Her most recent appearance in a mini-series was in the 2006 version of The Ten Commandments.

On continuing television series, she has appeared on the New York-based Law & Order: Criminal Intent. From 1991 to 1993, she portrayed villainess Orlena Grimaldi on the daytime drama As the World Turns. She also had major roles in several of the BBC-Shakespeare Play television presentations and has led workshops on Shakespearean performance practices. In 2003, Bloom did a stage reading of Milton'sSamson Agonistes along with actor John Neville at Bryn Mawr College at the behest of poet Karl Kirchwey.

In January 2006, she appeared on the London stage in Arthur Allan Seidelman's production of Six Dance Lessons in Six Weeks by Richard Alfieri, a two-hander in which she co-starred with Billy Zane.

In October 2007, she appeared opposite Peter Bowles in Love Letters at the Théâtre Princesse Grace, Monte Carlo, directed by Marc Sinden, as part of his British Theatre Season, Monaco.

In 2008, she guest starred in New Tricks as actress Helen Brownlow. The story was about the murder of her husband whilst they were in a play together.

In December 2009, she appeared in Doctor Who alongside David Tennant in his final storyas the Tenth Doctor, as a Time Lord credited only as "The Woman." Series executive producer Russell T Davies revealed in his 2010 book The Writer's Tale that the character is supposed to be the Doctor's mother.

In 2010, she guest starred as Jill Peters in The Bill in the episode "Taking a Stand".

In 2011 she played Queen Mary in The King's Speech.

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

Raf De La Torre  played the senior judge in the 1964 Doctor Who story The Keys of Marinus.

Other work included S*P*Y*S, The Regiment, Mary, Queen of Scots, The Rivals of Sherlock Holmes, Elizabeth R, There's a Girl in My Soup, Biography, The Troubleshooters, Vendetta, Sergeant Cork, Ghost Squad, The Flesh and the Fiends, The Strange Awakening, The Trollenberg Terror, Wicked as They Come, The Count of Monte Cristo, ITV Television Playhouse, Billy Bunter of Greyfriars School, Epitaph for a Spy, The Golden Coach, The Pickwick Papers, Operation Diplomat, Penny Princess

Eileen Essell is an English actress noted in part for the age at which she began her screen acting career.

Although she acted on the stage for 13 years in the 1940s and 50s, her first screen performance was in her late 70s, in an episode of Doctors. She has since appeared in many other TV programmes, including The Bill, Doc Martin, Holby City, Hustle, Casualty, Ideal and Sensitive Skin.

On film she appeared in Duplex (2003), Finding Neverland (2004), Ali G Indahouse (2002), The Producers (2005), and as Grandma Josephine in Charlie and the Chocolate Factory (2005).

Actor well know for his many appearances in Doctor Who, appearing with four of the first five Doctors.

Other roles include parts in Pickwick Papers, The Boy With Two Heads, Dixon of Dock Green and Z Cars