William "Billy" Cranston is a fictional character in the Power Rangers universe.
 He is the original Blue Ranger in the series "Mighty Morphin Power Rangers," and was portrayed by actor David Yost.
 Billy is the only original Power Ranger to remain for the entire "MMPR" series, and is the second longest-serving Ranger overall behind Tommy Oliver.
 Until his departure, he was considered the brains of the Power Rangers team, creating many gadgets with which to solve problems that not even Zordon foresaw, and he even invented the first team's wrist-worn communication devices.
Mighty Morphin Power Rangers: The Movie (also known as Power Rangers: The Movie) is a 1995 American superhero film based on the television series "Mighty Morphin Power Rangers".
 It stars the ensemble cast of Karan Ashley, Johnny Yong Bosch, Steve Cardenas, Jason David Frank, Amy Jo Johnson, and David Yost alongside the villains cast from the original series and Paul Freeman as Ivan Ooze.
 Much like the television season that followed the release, it used concepts from the Japanese Super Sentai series "Ninja Sentai Kakuranger".
 It is the first "Power Rangers" production from Saban Entertainment not to feature any archived footage from "Super Sentai".
Jason David Frank (born September 4, 1973) is an American actor and professional mixed martial artist notable for his portrayal of Tommy Oliver, the original Green Ranger, in multiple seasons of "Power Rangers".
Dr. Thomas "Tommy" Oliver is a fictional character from the universe of the American live action television franchise "Power Rangers".
 He is best known as being the original Green Ranger of the original Power Rangers team.
 He is a main character in the "Mighty Morphin Power Rangers" TV series, as well as four of its successive incarnations "Mighty Morphin Alien Rangers", "Power Rangers Zeo", "Power Rangers Turbo", and "Power Rangers Dino Thunder" (where he returns as a legendary Power Ranger veteran).
 He also appeared in the "Power Rangers Wild Force" episode "Forever Red", the "Power Rangers S.P.D." episode "Wormhole", and in the "Power Rangers Super Megaforce" episode "Legendary Battle".
 He has been portrayed by actor Jason David Frank in all of his appearances with the exception of the episode "Wormhole", where he appeared only in Ranger form and was voiced by actor Jeffrey Parazzo (who played Trent Mercer in "Dino Thunder").
 He was also infrequently portrayed by actor Michael R. Gotto in instances where the story required depicting the character during childhood, such as in the series "Mighty Morphin Alien Rangers".
Season two of Mighty Morphin Power Rangers is an American television series created by Haim Saban and Shuki Levy, began airing July 21, 1994, on Fox Kids.
 The series follows six teenagers chosen by the wise Zordon to become "Power Rangers" in order to stop the evil Rita Repulsa from taking over Earth.
 The second season comprises 52 episodes and concluded its initial airing May 20, 1995.
 The second season uses footage and elements from the Super Sentai series "Gosei Sentai Dairanger".
 Regular cast members during season two include Amy Jo Johnson, David Yost, Walter Jones, Thuy Trang, Austin St. John, Jason David Frank, Jason Narvy and Paul Schrier.
 Jones, Trang and St. John are later replaced with Johnny Yong Bosch, Karan Ashley and Steve Cardenas respectively as new characters, but taking on the previous characters' colors and powers.
Mighty Morphin Power Rangers is an American live-action superhero children's television series that premiered on August 28, 1993, on the Fox Kids weekday afternoon block (later weekend morning block).
 It is the first entry of the "Power Rangers" franchise, and became a 1990s pop culture phenomenon alongside a large line of action figures and other merchandise.
 The show adapted stock footage from the Japanese TV series "Kyōryū Sentai Zyuranger", which was the 16th installment of Toei's "Super Sentai" franchise.
 The second and third seasons of the show drew elements and stock footage from "Gosei Sentai Dairanger" and "Ninja Sentai Kakuranger", respectively, though the "Zyuranger" costumes were still used for the lead cast in the last two seasons.
 Only the mecha and the Kiba Ranger costume (worn by the White Ranger) were retained from "Dairanger" for the second season, while only the mecha from "Kakuranger" were featured in the third season, though the "Kakuranger" costumes were used for the miniseries "Mighty Morphin Alien Rangers".
 The series was produced by MMPR Productions and distributed by Saban Entertainment (later Saban Brands).
 The show's merchandise was produced and distributed by Bandai Entertainment.
Jason Lee Scott is a fictional major character in the "Power Rangers" franchise, played by actor Austin St. John.
 Jason is best remembered as the original Red Ranger from the first entry of the franchise, "Mighty Morphin Power Rangers", as well as the leader of the original team of Power Rangers.
 He later becomes the second Gold Ranger in "Power Rangers Zeo".
"Day of the Dumpster" is the first episode of the American television program "Mighty Morphin Power Rangers" and the "Power Rangers" franchise.
 It first aired on the Fox Network on August 28, 1993 as part of its Fox Kids programming block, and was later released on VHS and DVD.
 A new re-version of the episode later aired on ABC on January 2, 2010, as part of the ABC Kids programming block.
 As with the first season "Mighty Morphin Power Rangers" episodes, most of the scenes featuring the Rangers in costume and the Zords are taken from the Japanese tokusatsu series, "Kyōryū Sentai Zyuranger", the 16th entry of the "Super Sentai" franchise.
Mighty Morphin Alien Rangers is a "Power Rangers" series set at the end of the third season of "Mighty Morphin Power Rangers".
 As with the rest of the third season of "Mighty Morphin Power Rangers", this series adapted footage and costumes from the eighteenth Super Sentai series, "Ninja Sentai Kakuranger".
Adam Park is a fictional major character from the universe of the American television series franchise "Power Rangers", played by Johnny Yong Bosch.
 He is a main character in the "Mighty Morphin Power Rangers" TV series, as well as three of its successive incarnations "Mighty Morphin Alien Rangers", "Power Rangers Zeo", and "Power Rangers Turbo".
 He also appeared in the "Power Rangers in Space" episode "Always a Chance", as well as the "Power Rangers Operation Overdrive" two-parter "Once a Ranger".

Question: Who is the actor that portrayed the original Green Ranger in the show "Mighty Morphin' Power Rangers"?
Answer: Jason David Frank