John M. Slattery Jr. (born August 13, 1962) is an American actor and director, best known for his role as Roger Sterling on AMC's series Mad Men. He has been nominated for many awards, and has won two SAG Awards with the Mad Men ensemble.

Slattery was born in Boston, Massachusetts, to an Irish American family; he is one of six children. He was raised Roman Catholic. Slattery attended high school at St. Sebastian's School in Needham, Massachusetts. He later received a Bachelor of Fine Arts from The Catholic University of America in 1984.

Apart from his role as Roger Sterling, Slattery is also known for roles such as union organizer Al Kahn on Homefront; Senator Walter Mondale in the HBO miniseries From the Earth to the Moon; as political adviser Tommy Flannigan in HBO's critically acclaimed show K Street; guest appearances as Will Truman's brother Sam on Will & Grace; guest appearances as Michael Cassidy, Amy's estranged husband, on Judging Amy; guest appearances as politician Bill Kelley on Sex and the City; principal Dennis Martino on Ed; and college president Peter Benedict on Jack and Bobby. In March 2007, he began a series of appearances on Desperate Housewives portraying Victor, Gabrielle Lang's (Eva Longoria) second husband, until his character's death in Season 4. In December 2009, Slattery appeared on The Colbert Report in a faux commercial advertising gold.

January Kristen Jones (born January 5, 1978) is an American actress. She is best known for playing Betty Draper-Francis on Mad Men.

Jones was born and raised in Sioux Falls, South Dakota, the daughter of Karen, who manages a sporting goods store, and Marvin Jones, a coach, gym teacher, and fitness director. She is named after January Wayne, a character in Jacqueline Susann's Once Is Not Enough. She has two sisters – Jacey and Jina.

Jones has had supporting roles in Anger Management (2003), Love Actually, and Dirty Dancing: Havana Nights. In 2005, she appeared as a U.S. border guard's frustrated wife in the film The Three Burials of Melquiades Estrada directed by and starring Tommy Lee Jones. In We Are Marshall (2006), she played the role of Carol Dawson, wife of football coach William "Red" Dawson.

She had the lead female role in the movie Love's Enduring Promise as a pioneer family's oldest child. Her character falls in love with a mysterious man who saves her father's life. She currently appears in the AMC original television drama series Mad Men as young suburban housewife and mother Betty Draper Francis. She is also known for her role as Cadence Flaherty in the 2003 comedy American Wedding, the third installment of the American Pie film series.

Philip Seymour Hoffman (born July 23, 1967) is an American actor and director. Hoffman began acting in television in 1991, and the following year started to appear in films. He gradually gained recognition for his supporting work in a series of notable films, including Scent of a Woman (1992), Twister (1996), Boogie Nights (1997), The Big Lebowski (1998), Magnolia (1999), The Talented Mr. Ripley (1999), Almost Famous (2000), 25th Hour (2002), Cold Mountain (2003), and Mission: Impossible III (2006).

In 2005, Hoffman played the title role in the biographical film Capote (2005), for which he won multiple acting awards including an Academy Award for Best Actor. He received another two Academy Award nominations for his supporting work in Charlie Wilson's War (2007) and Doubt (2008). Other critically acclaimed films in recent years have included Before the Devil Knows You're Dead (2007), The Savages (2007) and Synecdoche, New York (2008). In 2010, Hoffman made his feature film directorial debut with Jack Goes Boating‎.