Question: Who directed the the 2014 movie staring Olivia Cooke?

Context paragraphs:
David Frigerio: David Frigerio is an American screenwriter.  His 2014 film "The Signal", directed by William Eubank and starring Laurence Fishburne, Brenton Thwaites, and Olivia Cooke, premiered at the 2014 Sundance Film Festival and was released in US theaters on June 13 by Focus Features.  In 2010, he wrote and produced "Wreckage", directed by John Asher and starring Aaron Paul, Scoot McNairy, and Cameron Richardson.

Katie Says Goodbye: Katie Says Goodbye is an American-French independent drama film written and directed by Wayne Roberts in his directorial debut.  The film stars Olivia Cooke, Mireille Enos, Christopher Abbott, Mary Steenburgen, Jim Belushi, Keir Gilchrist and Chris Lowell.  The film had its world premiere at the Toronto International Film Festival.

Carlyle Eubank: Carlyle Eubank is an American writer and screenwriter.  His 2014 film "The Signal", starring Laurence Fishburne, Brenton Thwaites, and Olivia Cooke, premiered at the 2014 Sundance Film Festival and was released in US theaters on June 13 by Focus Features.

Me and Earl and the Dying Girl (film): Me and Earl and the Dying Girl is a 2015 American comedy-drama film directed by Alfonso Gomez-Rejon and written by Jesse Andrews, based on Andrews' 2012 debut novel of the same name.  The film stars Thomas Mann, Olivia Cooke, RJ Cyler, and Jon Bernthal.  The film premiered at the 2015 Sundance Film Festival to a standing ovation.  It won the U.S. Grand Jury Prize: Dramatic and the Audience Award for U.S. Drama at the festival.  The film was released on June 12, 2015, by Fox Searchlight Pictures.

Life Itself (2018 film): Life Itself is an upcoming American-Spanish drama film written and directed by Dan Fogelman.  It stars Oscar Isaac, Olivia Cooke, Antonio Banderas, Mandy Patinkin, Samuel L. Jackson, Olivia Wilde, Annette Bening and Laia Costa.

The Signal (2014 film): The Signal is a 2014 American science fiction thriller film directed by William Eubank and co-written with Carlyle Eubank and David Frigerio.  The film stars Brenton Thwaites and Laurence Fishburne.  The film premiered at the 2014 Sundance Film Festival and was released theatrically in the United States on June 13, 2014.  The film is among an increasing number of low-budget, independent science fiction films to be included at the Sundance Film Festival in recent years.

The Limehouse Golem: The Limehouse Golem is a 2016 British horror-mystery film directed by Juan Carlos Medina from a screenplay by Jane Goldman.  The film, an adaptation of Peter Ackroyd's 1994 murder mystery novel "Dan Leno and the Limehouse Golem", stars Olivia Cooke, Bill Nighy, and Douglas Booth.

Olivia Cooke: Olivia Kate Cooke (born 27 December 1993) is an English actress.  From 2013 to 2017, she co-starred as Emma Decody in the A&E drama-thriller series "Bates Motel".  Cooke has also starred in the thriller films "The Quiet Ones" (2014) and "Ouija" (2014), the science fiction film "The Signal" (2014), the comedy-drama "Me and Earl and the Dying Girl" (2015), and the thriller "Thoroughbreds" (2017).

Thoroughbreds (2017 film): Thoroughbreds is an American drama thriller film written and directed by Cory Finley in his directorial debut.  It stars Anya Taylor-Joy, Olivia Cooke, Anton Yelchin, Paul Sparks, Francie Swift and Kaili Vernoff.

Ouija (2014 film): Ouija is a 2014 American supernatural horror film directed by Stiles White in his directorial debut, produced by Jason Blum, Michael Bay, Andrew Form, Bradley Fuller, and Bennett Schneir and written by Juliet Snowden and White, who previously together wrote "The Possession".  It stars Olivia Cooke, Ana Coto, Daren Kagasoff, Douglas Smith, and Bianca A. Santos as teenagers who have unleashed spirits from a Ouija board.

Supporting paragraphs: Olivia Cooke The Signal (2014 film)
Answer: William Eubank