Question: What is the name of the 1972 film based on Nicholas Monsarrat's novel and stars Colin Blakely?

Context paragraphs:
The Vengeance of She: The Vengeance of She is a 1968 British fantasy film directed by Cliff Owen and starring John Richardson, Olga Schoberová (credited as Olinka Berova), Edward Judd and Colin Blakely.  It bears little in common with the novel "Ayesha: The Return of She" by H. Rider Haggard.  It was made by Hammer Films as a loose sequel to the 1965 hit film "She".

The Day the Fish Came Out: The Day the Fish Came Out (Greece: Otan ta psaria vgikan sti steria) is a 1967 DeLuxe Color Greek-British comedy film directed and written by Michael Cacoyannis who also designed the film's costumes.  The film stars Tom Courtenay, Colin Blakely and Sam Wanamaker.

Equus (film): Equus is a 1977 British-U.S. drama film directed by Sidney Lumet and written by Peter Shaffer, based on his play of the same name.  The film stars Richard Burton, Peter Firth, Colin Blakely, Joan Plowright, Eileen Atkins, and Jenny Agutter.  The story concerns a psychiatrist treating a teenager who has blinded horses in a stable, attempting to find the root of his horse worship.

The Cruel Sea (1953 film): The Cruel Sea is a 1953 British war film starring Jack Hawkins, Donald Sinden, Denholm Elliott, Stanley Baker, Liam Redmond, Virginia McKenna and Moira Lister.  The film, which was made by Ealing Studios seven years after the end of the Second World War, was directed by Charles Frend and produced by Leslie Norman.  It is based on the best selling novel of the same name by former naval officer Nicholas Monsarrat, though the screenplay by Eric Ambler omits some of Monsarrat's grimmest moments.

Colin Blakely: Colin George Blakely (23 September 1930 – 7 May 1987) was a Northern Irish character actor.  He was nominated for a BAFTA Award for Best Supporting Actor for the Academy Award-nominated film "Equus.

The Informers (1963 film): The Informers (US title - Underworld Informers) is a 1963 British crime film produced and distributed in the UK by The Rank Organisation and distributed in the USA by Continental Film Distributors.  It was directed by Ken Annakin, produced by William MacQuitty with the screenplay by Paul Durst and Alun Falconer from the novel "Death of a Snout" by Douglas Warner.  It starred Nigel Patrick, Margaret Whiting, Harry Andrews, Derren Nesbitt and Colin Blakely.  Cinematography was by Reginald H. Wyer.

The Deep Six (novel): The Deep Six is a 1953 novel by Martin Dibner (1911-1992) describing the experiences of a group of U.S. Navy sailors fighting in the Aleutian Islands Campaign in 1943 during World War II.  The novel, based on the author's experiences serving in the light cruiser USS "Richmond" during the same campaign, is written in a terse Hemingwayesque style and was a contemporary of Nicholas Monsarrat's novel "The Cruel Sea" and "The Caine Mutiny" by Herman Wouk.  The novel reached the "New York Times" Bestseller List for the week of September 6, 1953, ranked 16th in sales, and appeared six times on the list until October 18, fluctuating between 14th and 16th.

Loophole (1981 film): Loophole is a 1981 British heist film, directed by John Quested, and starring Albert Finney, Martin Sheen, Susannah York, Jonathan Pryce, Colin Blakely and Tony Doyle.  It was written by Jonathan Hales, based upon the novel by Robert Pollock.  Music is by Lalo Schifrin.

Something to Hide: Something to Hide (in the U.S. also reissued as "Shattered"), is a 1972 British thriller film, written and directed by Alastair Reid, based on a 1963 novel by Nicholas Monsarrat.  The film stars Peter Finch, Shelley Winters, Colin Blakely, Linda Hayden and Graham Crowden.  Finch plays a man harassed by his shrewish wife (Winters) who, after picking up a pregnant teenage hitchhiker (Hayden) is driven to murder and madness.  The film was not released commercially in the United States until 1976.

The Story of Esther Costello: The Story of Esther Costello is a 1957 British drama film starring Joan Crawford, Rossano Brazzi, and Heather Sears (who won a BAFTA as Best British Actress for her performance).  The film is an exposé of large-scale fundraising.  "The Story of Esther Costello" was produced by David Miller and Jack Clayton, with Miller directing.  The screenplay by Charles Kaufman was based on the 1952 novel by Nicholas Monsarrat.  It was distributed by Columbia Pictures.

Supporting paragraphs: Something to Hide Colin Blakely
Answer: Something to Hide