William DeVizia is an American director, screenwriter, producer, cinematographer, and voice actor.
 He directed the 1996 film "Almost Famous", the 1997 film "Lesser Prophets", and produced the 1998 TV movie "FashionKingdom".
 He also was credited in the 2006 video game Bully as the voice over director as well as the voice actor for one of the greaser characters Vance Medici and an Asylum Inmate.
 He was also the voice over director for the video game Manhunt 2 and a production team member for Rockstar NYC for Grand Theft Auto IV and an additional voice actor.
Meryl Streep throughout the 2000s appeared in many cinematic and theatrical productions.
 In 2001, Streep’s voice appeared in the animated film A.I. Artificial Intelligence.
 Streep that same year cohosted the annual Nobel Peace Prize concert as well as appeared in the popular play The Seagull.
 In 2002, Streep appeared in the films Adaptation and The Hours.
 In 2003, Streep appeared unaccredited in the comedy Stuck on You and starred in the HBO play adaptation Angels in America.
 In 2004, Streep was awarded the AFI Life Achievement Award and in that same year starred in the films The Manchurian Candidate and Lemony Snicket's A Series of Unfortunate Events.
 In 2005, Streep starred in the film Prime.
 Streep began 2006 with the film A Prairie Home Companion and that same year starred in The Devil Wears Prada and the stage production Mother Courage and Her Children.
 In 2007, Streep appeared in the films Dark Matter, Rendition, Evening, and Lions for Lambs.
 In 2008, Streep starred in the films Mamma Mia!
 and Doubt.
 In 2009, Streep starred in Julie & Julia and It’s Complicated as well as loaning her voice to the animated film Fantastic Mr. Fox.
Jared Drake Bell (born June 27, 1986) is an American actor, voice actor, and musician.
 Born in Newport Beach, California, he began his career as an actor in the early 1990s at the age of five with his first televised appearance on "Home Improvement".
 Bell also appeared in several commercials, such as one for "Pokémon Red" and "Blue", but is best known for his starring roles on Nickelodeon's "The Amanda Show" and "Drake & Josh".
 Bell starred in a trilogy of "The Fairly OddParents" movies on Nickelodeon.
 Bell was the voice of Peter Parker / Spider-Man in the animated series "Ultimate Spider-Man" on Disney XD.
 He appeared on ABC's reality TV series "Splash".
Epic (stylized as epic) is a 2013 American 3D computer-animated action-adventure film loosely based on William Joyce's children's book "The Leaf Men and the Brave Good Bugs".
 It was produced by Blue Sky Studios, written by William Joyce, James V. Hart, Daniel Shere, Tom J. Astle and Matt Ember and directed by Chris Wedge, the director of "Ice Age" (2002) and "Robots" (2005).
 The film stars the voices of Colin Farrell, Josh Hutcherson, Amanda Seyfried, Christoph Waltz, Aziz Ansari, Chris O'Dowd, Pitbull, Jason Sudeikis, Steven Tyler, and Beyoncé Knowles.
 The film was released on May 24, 2013 by 20th Century Fox.
 "Epic" received mixed reviews from critics and earned $268 million on a $93 million budget.
Daniel Jason Sudeikis ( ; born September 18, 1975) is an American actor, comedian and screenwriter.
 He began his career in improv comedy.
 In 2003, he was hired as a sketch writer for "Saturday Night Live" and was a cast member from 2005 to 2013.
 He has appeared on television in "30 Rock", "The Cleveland Show", "Eastbound & Down", "The Last Man on Earth", and other shows.
 He starred in the films "Horrible Bosses" (2011), "Hall Pass" (2011), "We're the Millers" (2013), "Horrible Bosses 2" (2014), "Sleeping with Other People" (2015), "Tumbledown" (2015), "The Book of Love" (2016) and "Race" (2016).
Joshua Michael Peck (born November 10, 1986) is an American actor, voice actor, comedian and YouTube personality.
 He is known for playing Josh Nichols in the Nickelodeon live-action sitcom "Drake & Josh".
 He began his career as a child actor in the late 90s and early 2000s, and became known to young audiences after his role on "The Amanda Show".
 He has since acted in films such as "Mean Creek", "Drillbit Taylor", "The Wackness", "ATM", and "Red Dawn", along with voicing Eddie in the "Ice Age" franchise.
 He also starred as Gerald in a lead role with John Stamos in the series "Grandfathered".
 He currently voices Casey Jones in "Teenage Mutant Ninja Turtles".
 He also starred in a Netflix comedy, "Take the 10", along with Tony Revolori.
Kelly Metzger is a Canadian voice and theater actress, born in Edmonton and based in Vancouver, British Columbia.
 After making her debut in the title role of "Anne of Green Gables", she performed on the stage with several Vancouver based theatrical companies.
 After this, she began a career in voice acting.
 Among her more noted voice acting roles are the English voice of Sayu Yagami in the anime series based on the "Death Note" manga, the character of Buttercup in "Powerpuff Girls Z", the voice of Spitfire in "" (excluding the episode "Sonic Rainboom", where she was voiced by Nicole Oliver), the voice of Nya in the Cartoon Network series "", and the voice of Sugar Sprinkles and Kora Dixon in "Littlest Pet Shop".
 She also voiced Makena in "".
 Metzger also does the singing voice of the character Gloriosa Daisy in the 2016 film "".
Leonardo Wilhelm DiCaprio ( ; born November 11, 1974) is an American actor, film producer, and environmental activist.
 DiCaprio began his career by appearing in television commercials in the late 1980s, after which he had recurring roles in various television series such as the soap opera "Santa Barbara" and the sitcom "Growing Pains".
 He began his film career by starring as Josh in "Critters 3" (1991).
 He starred in the film adaptation of the memoir "This Boy's Life" (1993), and was praised for his supporting role in "What's Eating Gilbert Grape" (1993).
 He gained public recognition with leading roles in "The Basketball Diaries" (1995) and the romantic drama "Romeo + Juliet" (1996), before achieving international fame with James Cameron's epic romance "Titanic" (1997), which became the highest-grossing film of all time until Cameron's science fiction film "Avatar" (2009) overtook it.
American singer-songwriter Sara Bareilles has released five studio albums, two demo albums, three live albums, five extended plays, eleven singles and nine music videos.
 After graduating from University of California, Los Angeles, Bareilles independently released her debut album "Careful Confessions" in January 2004.
 In 2005, music executive Charlie Walk signed her to a record deal with Epic Records.
 A year after, she began to work with Eric Rosse on her second studio album, "Little Voice", which featured re-recorded songs that were originally on "Careful Confessions".
 "Little Voice" was released on July 2007 and entered the "Billboard" 200 chart in the United States at number 45, which marked as her chart debut.
 The album became a commercial success, it peaked on the chart at number 7 and was certified platinum by the Recording Industry Association of America (RIAA) for shipments of one million copies in the United States, subsequently becoming her most successful studio album to date.
 Its lead single, "Love Song", became a worldwide hit, charting at the top-ten in many regions.
 Epic released two additional singles, "Bottle It Up" and "Gravity", from "Little Voice".
Carlo Romano (8 May 1908 – 16 August 1975) was an Italian film actor, screenwriter and voice actor.
 He appeared in 94 films between 1934 and 1975.
 He also wrote for 14 films between 1955 and 1975.
 He was also a famous voice actor, most notably the Italian "voice" of Don Camillo (played by French actor Fernandel) and Italian voice of actor Edward Andrews.

Question: Epic starred the voice of the actor and screenwriter who began his career in what capacity?
Answer: improv comedy