Question: Which American actor, screenwriter, poet and singer died in 1999 and acted in Amok Time?
Context: John T. Raymond (1836-1887), whose original name was John O'Brien, was an American stage actor, born in Buffalo, New York, on August 5, 1836; he died in Evansville, Indiana on April 10, 1887.  His first appearance was made on June 27, 1853, at a theatre in Rochester, New York, under the management of Messrs., Carr and Henry Warren, as "Lopez", in "The Honeymoon."  Afterwards, he went to Philadelphia, Baltimore, Charleston, Savannah, Mobile and New Orleans.  In 1858 he had his early success with Sothern in Tom Taylor's "Our American Cousin", in which he later appeared in London and in Paris.  Raymond first became known in New York in 1861, when he appeared at Laura Keene's Theatre, succeeding Joseph Jefferson in low comedy parts, and at that time he acted "Asa Trenchard" in ""Our American Cousin.""  His greatest popular hit was as Col. Mulberry Sellers in a dramatization of Mark Twain's (1873), a character that became completely identified with his own breezy optimism.  Raymond's professional career extended over a period of thirty-two years, in the course of which he acted in all the parts that usually fall to the lot of a low comedian. Lynyrd Skynyrd (pronounced ) is an American rock band best known for popularizing the Southern rock genre during the 1970s.  Originally formed in 1964 as "My Backyard" in Jacksonville, Florida, the band was also known by names such as "The Noble Five" and "One Percent", before finally deciding on "Lynyrd Skynyrd" in 1969.  The band gained worldwide recognition for its live performances and signature songs "Sweet Home Alabama" and "Free Bird".  At the peak of their success, two band members and a backup singer died in an airplane crash in 1977, putting an abrupt end to the band's most popular incarnation.  The band has sold 28 million records in the United States. John Roche (February 6, 1893 – November 10, 1952) was an American actor of the stage and screen.  Born in the small village of Penn Yan, New York on February 6, 1893.  He graduated from the University of Rochester, after which Roche began his acting career touring with stock companies during the 1910s and early 1920s.  In 1922 he would break into the film industry with a featured role in "The Good Provider".  During the 1920s, he acted in both films and the legitimate stage, including several roles in Broadway productions.  He acted steadily in films through 1936, in both featured and supporting roles.  In the mid-1930s he took a break from films, focusing on the legitimate stage, including a directorial stint of the play, "Mackerel Skies", which had a short run at the Playhouse Theatre in 1936.  Roche returned to films in 1941, with a small role in the Norma Shearer vehicle, "We Were Dancing" (1942), based on the Noël Coward play of the same name.  Over the course of his career he was involved in over half a dozen Broadway productions and appeared in over 50 films.  His final screen appearance was in 1946's "The Brute Man".  Roche died on November 10, 1952 in Los Angeles, California. Brian Doyle-Murray (born Brian Murray, October 31, 1945) is an American actor, voice artist, comedian and screenwriter.  He is the older brother of actor/comedian Bill Murray, and the two have acted together in several films, including "Caddyshack", "Scrooged", "Ghostbusters II", "The Razor's Edge", and "Groundhog Day".  He co-starred on the TBS sitcom on "Sullivan & Son," where he played the foul-mouthed Hank Murphy.  he also appeared in the Cartoon Network original animated series "The Marvelous Misadventures of Flapjack" as the surly Captain K'Nuckles and a pirate ghost, The Flying Dutchman from the Nickelodeon animated series, "SpongeBob SquarePants", he appears in a recurring role as Don Ehlert on the ABC sitcom "The Middle". "Amok Time" is the premiere episode of the American science fiction television series, "".  It is episode #30, production #34, first broadcast on September 15, 1967, in the series' new time slot of 8:30 pm on Friday night, and repeated April 26, 1968.  It was the first episode to air (though not the first filmed) featuring regular cast member Walter Koenig, as the ship's navigator, Ensign Pavel Chekov, and also the first one to list DeForest Kelley as Dr. McCoy in the opening credits.  It was written by science fiction author Theodore Sturgeon, scored by Gerald Fried, and directed by Joseph Pevney. Jackson DeForest Kelley (January 20, 1920 – June 11, 1999) was an American actor, screenwriter, poet and singer known for his roles in Westerns and as Dr. Leonard "Bones" McCoy of the USS "Enterprise" in the television and film series "Star Trek". Camden Toy is an American actor, screenwriter, and film editor.  He is best known as a character actor, often under special effects prosthetic makeup.  He has acted in over one hundred independent films, and a number of television roles. Van Dyke Brooke, "né" Stewart McKerrow (22 June 1859–17 September 1921) was an early American actor, screenwriter and film director, whose works include "" (1908) and "Lights of New York" (1916).  He worked as a stage actor for many years before going to work in the film industry in 1909.  He became an actor, writer and director for Vitagraph where he found fame and financial reward almost from the outset.  He wrote and directed many of the screenplays for the films in which he acted.  He worked for the studio until 1916 when he was laid off with other ageing actors.  He continued to work as an actor until his death in 1921. Kamran Forouhar (Persian کامران فروهر, born 6 March 1949, Isfahan, Iran, died 4 April 2000, London-United Kingdom), was an Iranian actor and professional voice dubbing actor for Iranian films.  He was born into a professional artist/actor family.  His father was Jahangir Forouhar, and his mother Gity Forouhar (Hosein-Molla), both established movie and television actors in Iran.  (2) While in Iran he acted in a number of major movie productions and then moved to Britain in 1973.  In Britain he acted in a number of major Iranian stage productions, notably The Trial of Iraj Mirza directed by Parviz Kardan.  He married in 1977 and they had a son, Saam Forouhar.  He is a brother of Leila Forouhar, a pop singer, and uncle of Reza Aslan, a scholar of religion. Don McGuire (February 28, 1919 – April 13, 1999) was an American actor director, screenwriter and producer.  During his career, he directed three films "Johnny Concho", "The Delicate Delinquent" and "Hear Me Good".  He was also nominated for the Academy Award for Best Original Screenplay for co-writing "Tootsie".  He died on April 13, 1999, in Los Angeles, California.
Answer: DeForest Kelley