Question: British actor Leo Britt is best remembered as the storyteller at a party in Alfred Hitchcock's Dial M for Murder, which was what type of film?

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Robert Cummings: Charles Clarence Robert Orville Cummings, known as Bob Cummings (June 9, 1910 – December 2, 1990), was an American film and television actor known mainly for his roles in comedy films such as "The Devil and Miss Jones" (1941) and "Princess O'Rourke" (1943), but was also effective in dramatic films, especially two of Alfred Hitchcock's thrillers, "Saboteur" (1942) and "Dial M for Murder" (1954).  Cummings received five Primetime Emmy Award nominations, and won the Primetime Emmy Award for Best Actor in a Single Performance in 1955.  On February 8, 1960, he received two stars on the Hollywood Walk of Fame for his contributions to the motion picture and television industries.  The motion picture star is at 6816 Hollywood Boulevard, the television star is on 1718 Vine Street.

The Girl (2012 TV film): The Girl is a 2012 British television film directed by Julian Jarrold, written by Gwyneth Hughes and produced by the BBC and HBO Films.  The film stars Sienna Miller as Tippi Hedren and Toby Jones as Alfred Hitchcock.  It is based on Donald Spoto's 2009 book, "Spellbound by Beauty: Alfred Hitchcock and His Leading Ladies", which discusses British-born film director Hitchcock and the women who played leading roles in his films.  "The Girl"' s title was inspired by Hitchcock's alleged nickname for Hedren.

Alfred Hitchcock's Anthology – Volume 4: Alfred Hitchcock's Anthology – Volume 4 is the fourth installment of "Alfred Hitchcock's Anthology", one of the many Alfred Hitchcock story collection books; edited by Eleanor Sullivan.  Originally published in hardcover as "Alfred Hitchcock's Tales to Scare You Stiff" in 1978, the book includes 26 short stories and a short novel called "The Graveyard Shift" by William P. McGivern.  Also, within the 26 short stories is "The Green Heart" by Jack Ritchie which was made into the 1971 film "A New Leaf".

John Williams (actor): John Williams (15 April 1903 – 5 May 1983) was an English stage, film and television actor.  He is remembered for his role as Chief Inspector Hubbard in Alfred Hitchcock's "Dial M For Murder", as the chauffeur in "Sabrina", and as portraying the second "Mr. French" on TV's "Family Affair".

Alfred Hitchcock's Anthology – Volume 2: Alfred Hitchcock's Anthology – Volume 2 is the second installment in the "Alfred Hitchcock's Anthology" series.  Originally published in hardcover as "Alfred Hitchcock's Tales to Take Your Breath Away" in 1977, this issue contains 29 stories from "Alfred Hitchcock's Mystery Magazine" that, by the editors, were believed to be the best published the preceding year (1977).

A Perfect Murder: A Perfect Murder is a 1998 American crime thriller film directed by Andrew Davis and starring Michael Douglas, Gwyneth Paltrow, and Viggo Mortensen.  It is a modern remake of Alfred Hitchcock's 1954 film "Dial M for Murder", though the characters' names are all changed, and over half the plot is completely rewritten and altered.  Loosely based on the play by Frederick Knott, the screenplay was written by Patrick Smith Kelly.

Dial M for Murder: Dial M for Murder is a 1954 American crime mystery film directed by Alfred Hitchcock, starring Ray Milland, Grace Kelly, Robert Cummings and John Williams.  It was filmed in 3-D with the technology that was available at the time, and is often considered one of the greatest 3D films ever made.  The screenplay and the successful stage play on which it was based were written by English playwright Frederick Knott.  The play premiered in 1952 on BBC Television, before being performed on stage in the same year in London's West End in June, and then New York's Broadway in October.  The movie was released by Warner Bros., though due to the then-waning popularity of 3D films, it was converted to 2D, and only showed in its native 3D format in a small handful of cinemas.

Leo Britt: Leo Britt (27 March 1908 – 1979) was a British actor.  He made about 40 film and television appearances between 1933 and 1975, both in England and the United States.  He is perhaps best-remembered as the storyteller at a party in Alfred Hitchcock's "Dial M for Murder" (1955).  One of his last film roles was General James Scarlett in the historical drama "The Charge of the Light Brigade" (1968).

Robert Lansing (actor): Robert Lansing ( ; June 5, 1928 – October 23, 1994) was an American stage, film, and television actor.  Lansing's motion picture roles included "A Gathering of Eagles" with Rock Hudson and "Under the Yum Yum Tree" opposite Jack Lemmon.  On television, he appeared in episodes of such hits as "", "Alfred Hitchcock Presents", "The Twilight Zone" and "Murder, She Wrote".  Lansing is probably best remembered as the authoritarian Brig. Gen. Frank Savage in "12 O'Clock High" (1964), the television drama series about World War II bomber pilots.

Edmund Gwenn: Edmund Gwenn (26 September 1877– 6 September 1959) was an English actor.  On film, he is perhaps best remembered for his role as Kris Kringle in the Christmas film "Miracle on 34th Street" (1947), for which he won the Academy Award for Best Supporting Actor and the corresponding Golden Globe Award.  He received a second Golden Globe and another Academy Award nomination for the comedy film "Mister 880" (1950).  He is also remembered for being in 3 films he made for Alfred Hitchcock.

Supporting paragraphs: Leo Britt Dial M for Murder
Answer: a 1954 American crime mystery film