Question: When was American actor who acted Spock in The City on the Edge of Forever born? 

Context paragraphs:
Jacob Kogan: Jacob Pavlovich Kogan (born May 28, 1995) is an American actor.  He is perhaps best known for playing the title role in the 2007 psychological thriller "Joshua" and Spock as a child in J. J. Abrams' "Star Trek".

John Larkin (actor, born 1912): John Larkin (April 11, 1912 — January 29, 1965) was an American actor whose nearly 30-year career was capped by his 1950s portrayal of two fictional criminal attorneys — Perry Mason on radio and Mike Karr on television daytime drama "The Edge of Night".  After having acted in an estimated 7,500 dramatic shows on radio, he devoted his final decade to television and, from April 1962 to January 1965, was a key member of the supporting cast in two prime-time series and made at least twenty major guest-starring appearances in many of the top drama series of the period.

Laurence Luckinbill: Laurence George Luckinbill (born November 21, 1934) is an American actor, playwright and director.  He has worked in television, film and theatre, doing triple duty in the latter by writing, directing and starring in stage productions.  He is probably best known for penning and starring in one-man shows based upon the lives of United States President Theodore Roosevelt, author Ernest Hemingway, and famous American defense attorney Clarence Darrow, starring in a one-man show based upon the life of United States President Lyndon Baines Johnson, and for his portrayal of Spock's half-brother Sybok in the film "".

Chris Stafford: Chris Stafford (born Christopher Stafford on July 18, 1977, in Collinsville, Illinois) is an American actor.  He has acted in film and television including "Law & Order" and the coming-out movie "Edge of Seventeen", for which he received the Best Actor award at Outfest, and an Independent Spirit Award nomination.  After acting Stafford turned his hand to Law.  He is now a lawyer.

The City on the Edge of Forever: "The City on the Edge of Forever" is the 28th episode of the American science fiction television series "", and the penultimate episode of the .  It was first broadcast in the United States on NBC on April 6, 1967.  In the episode, after Doctor Leonard McCoy (DeForest Kelley) travels back in time and changes history, Kirk (William Shatner) and Spock (Leonard Nimoy) follow him to correct the timeline.  In doing so, Kirk falls in love with Edith Keeler (Joan Collins), but realizes that in order to save his future, he must allow her to die.

John Towey: John Madden Towey (born February 13, 1940) is an American actor.  He studied acting and directing at the Goodman Theatre in Chicago.  He received B.F.A. degree in directing in 1967.  Acted two seasons at the Arena Stage in Washington D.C. (1977–78 and 1981).  Acted two seasons at the Guthrie Theatre in Minneapolis (1984–1986) and two seasons at The Public Theater in New York 1987-89, before moving to Los Angeles in 1990.  A classically trained pianist, John has performed over 100 programs since 2001 at grade schools in the Los Angeles Unified School District.  The program is an introduction to classical music entitled, Piano Masters.  He also gives piano concerts at retirement homes throughout Southern California.

Forrest Compton: Forrest Compton (born September 15, 1925) is an American actor.  He is known for portraying attorney Mike Karr, the central character on the long-running soap opera" The Edge of Night", on which he appeared from 1970-1984, and battalion commander Lieutenant Colonel Edward Gray on the 1960s sitcom "Gomer Pyle, USMC".  He had a recurring role in 1959-1960 in the NBC series "The Troubleshooters" with Keenan Wynn, Bob Mathias, and Chet Allen.  His other television credits include "The Twilight Zone", "77 Sunset Strip", "My Three Sons", "Mayberry RFD", "Mannix", "Hogan's Heroes", "That Girl", "Another World", "Loving", "One Life to Live", "As the World Turns" and "Ed".  He also portrayed President Flynn in the 1991 Christopher Walken film "McBain".  Married to the former Jeanne Sementini on September 28, 1975, Compton has not acted since 2002.

Zachary Quinto: Zachary John Quinto ( ; born June 2, 1977) is an American actor and film producer.  He is best known for his roles as Sylar on the science fiction drama series "Heroes" (2006–2010), Spock in the reboot "Star Trek" (2009) and its sequels "Star Trek Into Darkness" (2013) and "Star Trek Beyond" (2016), as well as his Emmy nominated performance in "".  He also appeared in smaller roles on television series such as "So NoTORIous", "The Slap", and "24".

Brian Doyle-Murray: 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".

Leonard Nimoy: Leonard Simon Nimoy ( ; March 26, 1931 – February 27, 2015) was an American actor, film director, photographer, author, singer and songwriter.  He was best known for his role as Spock of the "Star Trek" franchise, a character he portrayed in television and film from shot in late 1964 to his final film performance in 2013.

Supporting paragraphs: The City on the Edge of Forever Leonard Nimoy
Answer: March 26, 1931