Michael Dorn is an American actor from Texas. He is best known for playing Worf in the "Star Trek" franchise, the first Klingon character to be part of a television series' main cast. Dorn played the character regularly from 1987 to 2002, appearing in four films and 272 television episodes. Dorn has had more episode appearances than any other actor in the franchise's main cast.In 1952, Dorn was born in Luling, Texas. Luling was a small city, established as a railroad town in 1874. It used to be visited by cattle drivers on the Chisholm Trail. In the 1950 census, the city had a population of about 4,300 people. Dorn's parents were Fentress Dorn, Jr. and his wife Allie Lee Nauls. Relatively little is known about his family background.The Dorn family eventually moved to California. Dorn was mostly raised in Pasadena, a city located 11 miles (18 kilometers) northeast of Downtown Los Angeles. He eventually attended Pasadena City College, a community college located in Pasadena. He studied radio and television production, though he had not planned on becoming an actor.Following his graduation, Dorn initially pursued a career as a rock musician. He served as a member of several California-based music bands, though fame eluded him. In 1976, Dorn made his film debut in the sports film "Rocky". He had an uncredited role as the bodyguard of boxer Apollo Creed (played by Carl Weathers).Dorn had his next film role in the science fiction-horror film "Demon Seed" (1977), which depicted the forced impregnation of a woman by a sentient computer. He had a small television role in the short-lived soap opera "W.E.B. " (1978), which depicted the behind-the-scenes activities of the personnel of a television network.Dorn came to the attention of a television producer, who learned that the novice actor had no formal training. The producer helped introduce Dorn to a talent agent, who arranged for some acting lessons for Dorn. Dorn was trained for six months by the acting coach Charles Erich Conrad (1925 - 2009).Dorn received his first regular television role when cast as officer Jebediah Turner in the crime drama series "CHiPs". The series depicted the activities of the California Highway Patrol (CHP). He was a series regular from 1979 to 1982. For most of the 1980s, Dorn played bit parts and one-shot characters in various television series.In 1985, Dorn had a small part in the neo-noir thriller "Jagged Edge". The film depicts an affair between defense lawyer Teddy Barnes (played by Glenn Close) and a client who is accused of murdering his wife. Barnes is increasingly convinced that her lover is manipulating her. The film was a modest box office hit, and received decent reviews.Dorn received his big break as an actor when cast as Worf in the science fiction television series "Star Trek: The Next Generation" (1987-1994). It was the third television series in the "Star Trek" franchise and featured an entirely new cast of characters. Klingons had traditionally been portrayed as a warrior race with an antagonistic relationship to the United Federation of Planets. Worf was depicted as an orphaned Klingon who was raised by human adoptive parents. He had chosen to follow a career in the Federation's Starfeet, and his upbringing resulted in him having unique cultural traits. Worf turned out to be one of the series' most popular characters.In 1991, Dorn appeared in the film "Star Trek VI: The Undiscovered Country" which depicted the cast of the original Star Trek series. Dorn played the role of a namesake ancestor of Work, who was employed as a defense lawyer. He next played Worf himself in the film "Star Trek Generations" (1994), which featured the cast of the third series. The film was successful and was followed by three sequels. Dorn played Worf in three subsequent films: "Star Trek: First Contact" (1996), "Star Trek: Insurrection" (1998), and "Star Trek: Nemesis" (2002).In 1995, Dorn (as Worf) was added to the main cast of the television series "Star Trek: Deep Space Nine" (1993-1999), the fourth "Star Trek" television series. The addition to the cast was part of an effort to boost the series' ratings. The series introduced a romantic relationship between Worf and chief science officer Jadzia Dax (played by Terry Farrell). The two character were married in the series' 6th season, though the marriage ended with Jadzia's death at the season finale. The series was canceled in 1999, ending Dorn's regular appearances in "Star Trek" television series.During the 1990s, Dorn started regularly working as a voice actor in animated television series. Among his notable voice roles in this period were the cyborg gargoyle Coldstone in the urban fantasy series "Gargoyles" (1994-1997), Gorgon the Inhuman in the superhero series "Fantastic Four" (1994-1996), and both the villainous god Kalibak and the superhero Steel/John Henry Irons in the superhero series "Superman: The Animated Series (1996-2000). He also received the eponymous role of I.M. Weasel in the comedy series "I Am Weasel" (1997-2000). The series focused on a rivalry between the successful and popular character Weaser and his envious frenemy I.R. Baboon (played by Charlie Adler), who is constantly trying to upstage him.In the 2000s, Dorm continued working regularly as a voice actor, though he often played one-shot characters. Among his prominent roles in superhero series of this period were the super-villain Kraven the Hunter/Sergei Kravinoff in "Spider-Man: The New Animated Series" (2003), villainous ghost Fright Knight in "Danny Phantom" (2004-2007). and the super-villain Bane in "Batman: The Brave and the Bold" (2008-2011).In a 2010 interview, Dorn mentioned that he had been diagnosed with an early stage of prostate cancer. While receiving treatment, he decided to switch to a vegan diet.In 2011, Dorn was cast in the role of the villainous god Lord Darkar in Nickelodeon's dub of the popular Italian animation series "Winx Club". Darkar was a major villain in the series' 2nd season, but was eventually killed. Considering that he had the form of a phoenix, whether his death was permanent is considered questionable.From 2011 to 2015, Dorn had the regular role of Dr. Carver Burke in the police procedural series "Castle (2009-2016). Burke is depicted as the psychiatrist treating female lead Kate Beckett (played by Stana Katic) for post-traumatic stress disorder. She eventually confides in him about others psychological problems which she is facing.In 2011, Dorn had another prominent role in a superhero series when he voiced Ronan the Accuser in the final season of "The Super Hero Squad Show" (2009-2011). Ronan is a prominent Marvel character, typically serving as on officer of the Kree Empire, a militaristic space empire. His role as a hero or a villain depends on the Empire's agenda in any given story-line.From 2015 to 2016, Dorn played the alien Captain Mozar in the superhero series "Teenage Mutant Ninja Turtles " (2012-2017). Mozar is a humanoid Triceratops who is leading an alien invasion fleet to Earth. The character was a regular antagonist of the Turtles, portrayed as a brutal military commander.From 2016 to 2017, Dorn voiced the super-villain Prometheus/Adrian Chase in the live-action series "Arrow" (2012-2020). The series portrayed the adventures of the superhero Green Arrow/Oliver Queen. Prometheus holds Queen responsible for the death of his father, and seeks revenge.In 2017, Dorn voiced Fortress Maximus, an Autobot Titan in the animated web series "Transformers: Titans Return". The series featured characters from the "Generation 1" version of the "Transformers" franchise. Fortress Maximus had been introduced in the 1980s. Dorn replaced the three previous voice actors of the character, Stephen Keener, Kunihiko Yasui, and Ikuya Sawaki.From 2017 to 2018, Dorn voiced Atrocitus in the superhero series "Justice League Action" (2016-2018). Atrocitus is a prominent DC super-villain, typically depicted as the leader of the Red Lantern Corps. In the original comics, Atrocitus is a character mainly motivated by revenge. His wife and daughters were murdered before his eyes, and since then Atrocitus seeks revenge against those responsible for the tragedy.From 2017 to 2019, Dorn voiced the recurring character Bupu the sable antelope in the coming-of-age series "The Lion Guard" (2016-2019). The series was a spin-off of the film "The Lion King" (1994), and featured the adventures of Simba's son Kion. Bupu is depicted as the leader of a herd of antelopes, and too proud and stubborn to follow orders by others.By 2021, Dorn is 68-years-old. He has never retired from acting, and continues to add new roles to his resume. He remains a popular voice actor.