Question: Who directed a 2011 British horror film starring an actress who trained at Royal Academy of Dramatic Art?

Context paragraphs:
Amelda Brown: Amelda Brown is a British actress of stage, film, and television.  She trained at the Royal Academy of Dramatic Art, graduating in 1980, and became known for her work in fringe theatre.

Lynsey Baxter: Lynsey Baxter is an English actress.  Born in London, she began as a child actress in 1974 and later trained at Royal Academy of Dramatic Art (RADA).  She has worked in theatre, television, film, radio and voiceover.

The Awakening (2011 film): The Awakening is a 2011 British horror film directed and co-written by Nick Murphy, starring Rebecca Hall, Dominic West, Isaac Hempstead-Wright and Imelda Staunton.

Imelda Staunton: Imelda Mary Philomena Bernadette Staunton, CBE (born 9 January 1956) is an English stage and screen actress.  After training at the Royal Academy of Dramatic Art, Staunton began her career in repertory theatre in the 1970s before appearing in seasons at various theatres in the UK.

Kenneth Branagh: Sir Kenneth Charles Branagh ( ; born 10 December 1960) is a Northern Irish actor, director, producer, and screenwriter originally from Belfast.  Branagh trained at the Royal Academy of Dramatic Art in London, and in 2015 succeeded Richard Attenborough as its President.  He has directed or starred in several film adaptations of William Shakespeare's plays, including "Henry V" (1989) (for which he was nominated for the Academy Awards for Best Actor and Best Director), "Much Ado About Nothing" (1993), "Othello" (1995), "Hamlet" (1996) (for which he was nominated for the Academy Award for Best Adapted Screenplay), "Love's Labour's Lost" (2000), and "As You Like It" (2006).

Joan Collins: Dame Joan Henrietta Collins, DBE (born 23 May 1933) is an English actress, author and columnist.  Born in Paddington, west London, and brought up in Maida Vale, Collins grew up during the Second World War.  After making her stage debut in the Henrik Ibsen play "A Doll's House" at the age of nine, she trained as an actress at the Royal Academy of Dramatic Art (RADA) in London.  She then signed an exclusive contract with the Rank Organisation and appeared in various British films.

Anthony Hopkins: Sir Philip Anthony Hopkins (born 31 December 1937) is a Welsh film, stage, and television actor.  After graduating from the Royal Welsh College of Music & Drama in 1957, he trained at the Royal Academy of Dramatic Art in London, and was then spotted by Laurence Olivier who invited him to join the Royal National Theatre.  In 1968, he got his break in film in "The Lion in Winter", playing Richard the Lionheart.

Alisa Arnah: Alisa Arnah is a British actress born in London.  She trained at the Royal Academy of Dramatic Art and has worked in TV, film and theatre.

Elaine Symons: Elaine Symons (born 4 December 1974) is an Irish actress who was trained at the prestigious RADA(Royal Academy of Dramatic Art) active on television since 1997.  She is most notable for her role as alcoholic mother-of-five Rose Kelly in the BBC One school TV drama "Waterloo Road", making her first appearance in the first episode of the show's fourth series, screened on 7 January 2009.  Her earlier credits include roles in "Sinners" "Totally Frank", "Waking the Dead", "As If", "Custer's Last Stand-up" and "Touched by an Angel".  In 2011 Elaine Symons played the role of Kerry Cadogan in the BBC One medical TV drama" Holby City".

Tomahawk Theatre Company: Tomahawk is a theatre company based in Oxford, South East England.  Founded in 2005 by Alex Nicholls and Oliver Baird among others, experienced personnel work alongside young actors, directors and technicians, many of whom have gone on to train in London at the Royal Academy of Dramatic Art (RADA), London Academy of Music and Dramatic Art (LAMDA) and Mountview Academy of Theatre Arts.

Supporting paragraphs: The Awakening (2011 film) Imelda Staunton
Answer: Nick Murphy