Sergio Mimica-Gezzan (also known as Srdjan Mimica, Croatian: "Srđan Mimica" ) ) (born May 2, 1956) is a Croatian-born American film and television director and son of famous Croatian film director Vatroslav Mimica.
 He has received three Directors Guild of America awards for his work as an assistant director and is now a regular lead director in episodic television.
 He has often worked with Steven Spielberg as an assistant director.
 He directed six episodes of the reimagined "Battlestar Galactica", two episodes of "Heroes", and "The Pillars of the Earth", the television adaptation of Ken Follett's novel of the same name.
Corey Allen (June 29, 1934 – June 27, 2010) was an American film and television director, writer, producer, and actor.
 He began his career as an actor but eventually became a television director.
 He may be best known for playing the character Buzz Gunderson in Nicholas Ray's "Rebel Without a Cause" (1955).
Peter Markle (born September 24, 1952) is an American film director, television director and screenwriter.
 He has directed episodes of "Everwood", "", "The X-Files", as well as many other programs.
 He was director of the 2006 television film, "Flight 93" and he also directed the 1982 romantic comedy film "The Personals" and the 1994 comedy western film "Wagons East!
"
Kenneth William "Ken" Kwapis (born August 17, 1957) is an American film and television director and screenwriter.
 He specialized in the single-camera sitcom in the 1990s and 2000s and has directed feature films such as "Sesame Street Presents Follow That Bird" (1985), "The Sisterhood of the Traveling Pants" (2005), and "He's Just Not That into You" (2009).
Elodie Keene (born April 10, 1949 in Berkeley, California) is an American film/television director, producer and editor.
 As a television director her credits include "ER", "NYPD Blue", "The Practice", "Ally McBeal", "Charmed", "Felicity", "The Wire", "House, M.D.", "The Closer", "Nip/Tuck" and among other series.
Arnold Laven (February 3, 1922 – September 13, 2009) was an American film and television director and producer.
 He was one of the founders and principals of the American film and television production company Levy-Gardner-Laven.
 Laven was a producer of, among other things, the long-running western television series "The Rifleman" and "The Big Valley".
 He also directed motion pictures, including "Without Warning!
", "The Rack", "The Monster That Challenged the World", "Geronimo", "Rough Night in Jericho", and "Sam Whiskey".
 In the 1970s and early 1980s, Laven directed dozens of episodes of television series, including episodes of "Mannix", "The A-Team", "Hill Street Blues", "The Six Million Dollar Man", "Fantasy Island", "The Rockford Files" and "CHiPs".
He's Just Not That into You is a 2009 American romantic comedy-drama film directed by Ken Kwapis, based on the self-help book of the same name by Greg Behrendt and Liz Tuccillo, which in turn was inspired by a line of dialogue in "Sex and the City".
 The film features an ensemble cast that includes Ben Affleck, Jennifer Aniston, Drew Barrymore, Jennifer Connelly, Kevin Connolly, Bradley Cooper, Ginnifer Goodwin, Scarlett Johansson, and Justin Long.
Jennifer Ann Kirkman is an American stand-up comedian, screenwriter, and actress.
 She is known for her regular appearances as a round-table panelist on "Chelsea Lately", as well as for her appearances on the Funny or Die sketch series "Drunk History", and its 2013 continuation television series on Comedy Central.
 She has released four comedy albums: "Self Help" (2006), "Hail to the Freaks" (2011), "I'm Gonna Die Alone (And I Feel Fine)" (2016), and "Just Keep Living?"
 (2017).
 Her debut book, "I Can Barely Take Care of Myself: Tales From a Happy Life Without Kids", was published in April 2013, and became a "New York Times" bestseller.
Harry Hunkele is an American Film and Television Director, Producer and Editor.
 He is a ten-time Emmy Award winning television director and producer and is the director of the feature documentary "" (Channel Productions, 2011).
 
James B. Clark, Jr. (May 14, 1908 – July 19, 2000) was an American film director, film editor, and television director.
 His career as a film editor began in 1937, and he was nominated for the Academy Award for Best Film Editing in 1941 for "How Green Was My Valley".
 He continued to work as a film editor until 1960, but in 1955 also began a career as a film and television director.
 He tended to focus on works involving people's relationships with animals.
 Among the more popular and notable projects he directed were the films "A Dog of Flanders" (1959), "The Sad Horse" (1959), "Misty" (1961), "Flipper" (1963), "Island of the Blue Dolphins" (1964), and "My Side of the Mountain" (1969), and episodes of the television series "My Friend Flicka" (1955-1956), "Batman" (1966-1967), and "Lassie" (1969-1971).

Question: Which film directed by American film and television director is based on a self help book?
Answer: He's Just Not That into You