Question: Which cast member played Kyle Reese and also played Pavel Chekov in three "Star Trek" films?

Context articles: These Are The Voyages: TOS, Season Two
Kyle Reese
Pavel Chekov
Spock
Star Trek Beyond
Star Trek: Of Gods and Men
Amok Time
Star Trek: The Animated Series
The Infinite Vulcan
Anton Yelchin

These Are The Voyages: TOS, Season Two is a non-fiction reference book by Marc Cushman with Susan Osborn and with foreword by Walter Koenig (who played Pavel Chekov) about the second season of "".
 The information revealed inside primarily comes from production documents that were donated by Gene Roddenberry and Robert H. Justman to the UCLA Film and Television Archive.
Kyle Reese (Sergeant, Tech-Com, DN38416) is a fictional character in the "Terminator" franchise, who serves as the main protagonist in the first and fifth films, with a supporting role in other works.
 He is the father and a subordinate of John Connor and a love interest of Sarah Connor.
 The character is portrayed by Michael Biehn in "The Terminator", Jonathan Jackson in "", Anton Yelchin played him as a teenager in "Terminator Salvation", and Australian actor Jai Courtney portrays him in "Terminator Genisys".
Pavel Andreievich Chekov (Russian: Павел Андреевич Чехов ) is a fictional character in the "Star Trek" universe.
 Walter Koenig portrayed Chekov in the second and third seasons of the original "" series and the first seven "Star Trek" films.
Spock is a fictional character in the "Star Trek" media franchise.
 Spock was first portrayed by Leonard Nimoy in the , and also appears in the , a two-part episode of "", eight of the "Star Trek" feature films, and numerous Star Trek novels, comics, and video games.
 In addition, numerous actors portrayed the various stages of Spock's rapid growth, due to the effects of the Genesis Planet, in the 1984 Star Trek film "".
 In the 2009 film "Star Trek", Nimoy reprised his role with Zachary Quinto, who depicted a younger version of the character, existing within an alternate timeline.
 Both reprised their roles in the 2013 sequel "Star Trek Into Darkness" and Quinto reprised his role again in 2016's "Star Trek Beyond".
Star Trek Beyond is a 2016 American science fiction adventure film directed by Justin Lin from a screenplay by Simon Pegg and Doug Jung and based on the series "Star Trek" created by Gene Roddenberry.
 It is the thirteenth film in the "Star Trek" film franchise and the third installment in the reboot series, following "Star Trek" (2009) and "Star Trek Into Darkness" (2013).
 Chris Pine and Zachary Quinto reprise their respective roles as Captain James T. Kirk and Commander Spock, with Pegg, Karl Urban, Zoe Saldana, John Cho and Anton Yelchin reprising their roles from the previous films.
 This was also one of Yelchin's last films before his death in June 2016.
 Idris Elba, Sofia Boutella, Joe Taslim and Lydia Wilson also appear.
Star Trek: Of Gods and Men (OGaM or STOGAM) is a non-canon three-part unofficial Star Trek fan mini-series which contains many cast members from the "Star Trek" TV series and movies.
 It is described by its producers as a "40th Anniversary gift" from "Star Trek" actors to their fans.
 It was filmed in 2006, but its release was delayed until 2007–08.
 It is not officially endorsed by the rightsholders of "Star Trek", but has been covered on the official "Star Trek" website.
"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.
Star Trek: The Animated Series (originally known simply as Star Trek but also known as "The Animated Adventures of Gene Roddenberry's Star Trek") is a 1973 animated science fiction television series set in the "Star Trek" universe following the events of "" of the 1960s.
 The animated series was aired under the name Star Trek, but it has become widely known under this longer name (or abbreviated as "ST: TAS" or "TAS") to differentiate it from the original live-action "."
 The success of the original live action series in syndication, and fan pressure for a "Star Trek" revival, led to "The Animated Series" from 1973–1974, as the source of new adventures of the "Enterprise" crew, the next being the 1979 live-action feature film "".
"The Infinite Vulcan" is the seventh episode of the of the American animated science fiction television series "".
 It first aired on NBC on October 20, 1973, and was written by "" cast member Walter Koenig.
 It was the actor's only involvement in the series, as he had not been hired to voice Pavel Chekov in the animated version due to financial issues with production.
 With "The Infinite Vulcan", Koenig became the first member of the "Star Trek" cast to write an episode for the franchise.
 As with many episodes of the show, the episode was directed by Hal Sutherland.
Anton Viktorovich Yelchin (Russian: Анто́н Ви́кторович Е́льчин ; March 11, 1989 – June 19, 2016) was an American actor.
 He played Pavel Chekov in three "Star Trek" films, including the 2009 reboot film of the same name, along with the sequels, "Star Trek Into Darkness" and the posthumously released "Star Trek Beyond" (2016).