Question: Which American actor, comedian and writer was involved in the screenplay that inspired Brother Nature?

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Daniel Hart Donoghue: Daniel Hart Donoghue (born January 17, 1975) is an American actor, screenwriter and producer.  Donoghue was born in Holyoke, Massachusetts and moved to Lowell, Massachusetts at the age of four where he lived with his parents, Daniel and Kathleen, and one brother, Brian.  He is of Irish descent.  Donoghue attended the University of Massachusetts Amherst and the University of Limerick, Ireland where he studied literature and writing.  In his twenties, Donoghue was an English Teacher on the reservation of the Jicarilla Apache Nation, in Dulce, New Mexico and then at Lowell High School in his hometown of Lowell, Massachusetts.  In his thirties, Donoghue began a career as a stage actor and writer.  His first notable work as a screenwriter was Paradox Lost produced by EDGY Pictures, HDNM Entertainment, and Satyr Entertainment.  In addition to writing the feature screenplay, which is based on Donoghue's award winning short film screenplay originally titled Gunmetal Rose, Donoghue Co-Directed, Produced and played a leading role In Paradox Lost in 2015.

Michael McGruther: Michael McGruther began his filmmaking career with the original screenplay "Tigerland", directed by Joel Schumacher and co-written by Ross Klavan.  The critically acclaimed screenplay was nominated by IFP/West for Best First Screenplay and by the Political Film Society for the PFS Award in 2001.  It is widely known as Colin Farrell's breakthrough film, garnering Farrell the Boston Society of Film Critics Best Actor Award and the London Critics Circle Film Award for British Newcomer of the year.  Invigorated by the filmmaking process while on the set of "Tigerland", McGruther established BuffaloNickel Films.  He then teamed up with Jersey Films and Universal Studios on two features: his original science fiction adventure titled "Lightspeed" (with Superman Returns director Bryan Singer attached to direct), and a coming-of-age drama titled "Sentenced to Nature", based on a New York Times article by author Charles Siebert.  BuffaloNickel Films has since acquired the rights to several novels and short stories to produce.  In 2001, "Extra Life", a drama about coming-of-age in the digital world; in 2004, Arthur C. Clarke's prophetic novel "Prelude to Space"; and in 2005, "Blood Son", based on the 1951 short story by legendary science fiction and horror writer Richard Matheson. " Blood Son" marks McGruther's directorial debut, for which he won the Best Director Award at the 3rd.  Annual Trenton Film Festival.  He is currently in pre-production on the movie "Ghost Town".  McGruther has also appeared in front of the camera, seen in several commercials and movies in the early 90’s including "Clockers" and "In & Out", and he has a cameo appearance in "Tigerland".

Brother Nature (film): Brother Nature is a 2016 American comedy film directed by Osmany Rodriguez and Matt Villines, from a screenplay by Mikey Day, Cameron Fay, and Taran Killam.  It stars Killam, Bobby Moynihan, Gillian Jacobs, Rita Wilson and Bill Pullman.  The film was released in a limited release and through video on demand on September 9, 2016, by Insurge Pictures and Samuel Goldwyn Films.

Owen Wilson: Owen Cunningham Wilson (born November 18, 1968) is an American actor, producer, screenwriter and comedian.  He has had a long association with filmmaker Wes Anderson, with whom he shared writing and acting credits for "Bottle Rocket" (1996) and "The Royal Tenenbaums" (2001), the latter of which earned him a nomination for the Academy Award for Best Original Screenplay.  His older brother Andrew and younger brother Luke are also actors, with whom he has collaborated a number of times.  He starred with Ben Stiller in numerous films, and is known for his roles in Frat Pack comedies and as well as voicing Lightning McQueen in the "Cars" franchise.

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".

Guy Torry: Robert "Guy" Torry (born January 12, 1969) is an American actor and comedian.  He is the younger brother of actor and comedian Joe Torry.

Marc Wilmore: Marc Edward Wilmore (born May 4, 1963) is a television writer, producer, actor, and comedian.  He is a graduate of Cal Poly Pomona.  In the early 1990s, he was a writer for "In Living Color", and became a regular cast member in the final (1993–94) season.  From 1999 to 2001, he served as a writer for the claymation series "The PJs", and provided the voice of the character Walter.  He was a writer for "The Tonight Show with Jay Leno."  In 2000, he became a writer and producer for "The Simpsons".  His older brother Larry Wilmore is also a writer, producer and actor.

Charlie Murphy: Charles Quinton Murphy (July 12, 1959 – April 12, 2017) was an American actor, comedian, and writer.  Murphy was best known as a writer and cast member of the Comedy Central sketch-comedy series "Chappelle's Show".  He was the older brother of comedian Eddie Murphy.

Taran Killam: Taran Hourie Killam (born April 1, 1982) is an American actor, comedian, and writer.  He is best known for his television work on shows such as "The Amanda Show", "Wild 'n Out", "Mad TV", and "Saturday Night Live".  Killam is also known for his portrayal of a teen pop star in the Disney Channel Original Movie "Stuck in the Suburbs".

Gillian Jacobs: Gillian MacLaren Jacobs ( ; born October 19, 1982) is an American actress.  She is known for portraying Britta Perry on the NBC/Yahoo! Screen comedy series "Community" and stars as Mickey Dobbs on the Netflix series "Love".  Jacobs has also had a recurring role as Mimi-Rose Howard on the HBO series "Girls" and has appeared in films such as "Gardens of the Night" (2008), "The Lookalike" (2014), "Life Partners" (2014), "Hot Tub Time Machine 2" (2015), "Don't Think Twice" (2016) and "Brother Nature" (2016).

Supporting paragraphs: Brother Nature (film) Taran Killam
Answer: Taran Killam