Community is an American television sitcom created by Dan Harmon that aired on NBC and Yahoo! Screen from September 17, 2009 to June 2, 2015.
 The series follows an ensemble cast of characters played by Joel McHale, Gillian Jacobs, Danny Pudi, Yvette Nicole Brown, Alison Brie, Donald Glover, Ken Jeong, Chevy Chase, and Jim Rash at a community college in the fictional town of Greendale, Colorado.
 It makes heavy use of meta-humor and pop culture references, often parodying film and television clichés and tropes.
Stephanie Courtney (born February 8, 1970) is an American actress and comedian, best known for playing the advertising character Flo in television and radio commercials for Progressive Corporation beginning in 2008, and noted for her recurring roles on several television series, including the voices of Renee the Receptionist and Joy Peters on the Adult Swim comedy "Tom Goes to the Mayor" (2004–06); Marge on the AMC drama "Mad Men" (2007); and Diane on the ABC comedy "Cavemen" (2007).
 She also appeared in the season 2 premiere of "Men of a Certain Age".
 Courtney is a member of The Groundlings, an improvisational and sketch comedy theater in Los Angeles, California.
Scott Hornbacher is an American television producer and director.
 He has worked in both capacities on the AMC drama series "Mad Men".
 He shared the Primetime Emmy Award for Best Drama Series with the production team when they won in 2008 and 2009.
Todd London is an American television producer.
 He has worked on several series for HBO, including "Carnivàle", "Rome", and "The Pacific".
 He was a producer on the first series of AMC drama "Mad Men".
Butterfield Market is an upscale grocery store at 1114 Lexington Avenue in the Upper East Side neighborhood of the borough of Manhattan in New York City.
 It is named for the old telephone exchange name for the neighborhood, Butterfield 8.
 Butterfield cites a founding date of 1915 as a small grocery store, though a "New York Times" article cites its founding as a produce stand in 1926 at the corner of Lexington and 78th Street, across the street from its current location.
 According to the "Times", it was founded by an Italian grocer whose name is lost to history.
 Neighborhood customers have included Brooke Astor, John D. Rockefeller, and Bette Davis.
 The market once flew in 100 boxes of strawberries for a Christmas party thrown by Davis.
 The fictional character Trudy Campbell on the television show "Mad Men" is also a customer of Butterfield, as revealed in the episode "Souvenir".
John M. Slattery Jr. (born August 13, 1962) is an American actor and director.
 He is best known for his role as Roger Sterling in the AMC drama series "Mad Men" and for his role as Howard Stark in cameo appearances in the Marvel Cinematic Universe films "Iron Man 2", "Ant-Man", and "".
 He has received four Primetime Emmy Awards nominations and two Critics' Choice Television Awards for "Mad Men".
 He was also part of the "Mad Men" ensemble cast that won two SAG Awards.
Phil Abraham is an American cinematographer and television director.
 He worked on all six seasons of "The Sopranos", initially as a camera operator, then as a cinematographer and eventually as an episodic director.
 He won the 2008 Primetime Emmy Award for Outstanding Cinematography for a One Hour Series for his work on the pilot of "Mad Men" and has been nominated for four other Primetime Emmy Awards for Outstanding Cinematography for a Single-Camera Series for his work on "The Sopranos".
 Besides working as a cinematographer for "Mad Men", he has also worked as a director for fifteen episodes.
 He picked up two more nominations for a Primetime Emmy Award for Outstanding Directing for a Drama Series for "Mad Men" episodes "The Jet Set" and "The Other Woman".
 He attended high school at York Preparatory School and graduated from Wesleyan University, along with "Mad Men" creator Matthew Weiner.
Carly Wray is an American television writer and producer.
 She is known for her writing on the AMC drama "Mad Men" and "The Leftovers" on HBO.
 She won a for "Mad Men" in 2016.
Lisa Albert is an American television writer and producer.
 She was born in New York City, and is currently based out of Los Angeles, California.
 Albert originally began working in publishing until she switched to television writing in 1986.
 She has worked in both capacities on the AMC drama series "Mad Men" as a writer and producer and has won a WGA Award for her work on the show.
Alison Brie Schermerhorn (born December 29, 1982 ) is an American actress and producer.
 She portrayed Annie Edison in the NBC/Yahoo! sitcom "Community" (2009–2015) and Trudy Campbell in the AMC drama "Mad Men" (2007–2015).
 Brie currently voices Diane Nguyen on the Netflix animated series "BoJack Horseman" (2014–present) and portrays Ruth Wilder on the Netflix comedy-drama series "GLOW" (2017).
 She has starred in several films, such as "Scream 4" (2011), "The Five-Year Engagement" (2012), "The Lego Movie" (2014), "Get Hard" (2015), "Sleeping with Other People" (2015), and "How to Be Single" (2016).

Question: Community is an American television sitcom that follows an ensemble cast, including what actress who played Trudy Campbell in the AMC drama Mad Men?
Answer: Alison Brie Schermerhorn