Question: Q: Which actor played a role in the comedy series "30 Rock" as well as the drama series "Mad Men"? A: Jon Hamm

Context:
Jon Hamm
Jonathan Daniel Hamm (born March 10, 1971) is an American actor, director, and television producer best known for playing advertising executive Don Draper for the AMC television drama series, "Mad Men" (2007–2015).
Live Show
"Live Show" is the of the fifth season of the American television comedy series "30 Rock", and the 84th episode overall.
 It was directed by Beth McCarthy-Miller, and co-written by series creator Tina Fey and co-showrunner and executive producer Robert Carlock.
 The episode originally aired live on the NBC television network in the United States on October 14, 2010, with separate tapings for the East Coast television audience as well as the West Coast.
 "Live Show" featured appearances by Rachel Dratch, Bill Hader, Matt Damon, Jon Hamm, and Julia Louis-Dreyfus.
List of Mad Men episodes
"Mad Men" is an American period drama television series created by Matthew Weiner and broadcast on the cable network AMC.
 The series premiered on July 19, 2007, and concluded on May 17, 2015, after seven seasons and 92 episodes.
 The show is set primarily in the 1960s and is centered on the private and professional life of Don Draper (Jon Hamm), an enigmatic advertising executive on Madison Avenue.
Tea Leaves (Mad Men)
"Tea Leaves" is the third episode of the fifth season of the American television drama series "Mad Men" and overall the 55th episode of the series.
 It was written by series creator and executive producer Matthew Weiner and writer Erin Levy, and directed by series leading man Jon Hamm.
 It originally aired on the AMC channel in the United States on April 1, 2012.
Public Relations (Mad Men)
"Public Relations" is the season premiere of the fourth season of the American television drama series "Mad Men", and the 40th overall episode of the series.
 It was written by series creator and executive producer Matthew Weiner, and directed by Phil Abraham.
 It originally aired on AMC in the United States on July 25, 2010.
 The episode takes place in November 1964, as the advertisement agency Sterling Cooper Draper Pryce has just started up, and Don Draper (Jon Hamm) is struggling with his divorce.
 The agency partners are concerned about the narrow breadth of their client base, which is not helped by Don coming across as less than sympathetic in an interview with a trade magazine.
 Peggy Olson (Elisabeth Moss) attempts a viral marketing stunt to bring back a disgruntled client, with unexpected repercussions.
 Meanwhile, Don's ex-wife Betty (January Jones) is struggling to fit in with her new family, and Don encounters problems in his romantic life.
Anna Howard Shaw Day
"Anna Howard Shaw Day" is the thirteenth episode of the fourth season of the American television comedy series "30 Rock", and the 71st episode of the series overall.
 It was written by supervising producer Matt Hubbard and directed by Ken Whittingham.
 The episode originally aired on the National Broadcasting Company (NBC) network in the United States on February 11, 2010.
 Elizabeth Banks, Jon Hamm, Shinnerrie Jackson, Douglas Rees, Horatio Sanz, Jason Sudeikis, and Dean Winters guest star in this episode, and there is a cameo appearance by musician Jon Bon Jovi.
St. Valentine's Day (30 Rock)
"St. Valentine's Day" is the eleventh episode of the third season, and forty-seventh episode overall, of the American television comedy series "30 Rock".
 It was written by co-executive producer Jack Burditt and series' creator, executive producer and lead actress Tina Fey.
 The director of this episode was series producer Don Scardino.
 The episode originally aired on the National Broadcasting Company (NBC) in the United States on February 12, 2009.
 Guest stars in "St. Valentine's Day" include Marylouise Burke, Jon Hamm, Salma Hayek, Zak Orth, Laila Robins, Maria Thayer, and Allie Trimm.
John Slattery
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.
Mad Men (season 1)
The first season of the American television drama series Mad Men premiered on July 19, 2007 and concluded on October 18, 2007.
 It consisted of thirteen episodes, each running approximately 47 minutes.
 AMC broadcast the first season on Thursdays at 10:00 pm in the United States.
 Actors Jon Hamm, Elisabeth Moss, Vincent Kartheiser, January Jones, Christina Hendricks, Bryan Batt, Michael Gladis, Aaron Staton, Rich Sommer, and Maggie Siff receive main cast billing.
Phil Abraham
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.

Answer: Jon Hamm