Richard Olen Sommer II (born February 2, 1978 in Toledo, Ohio) is an American actor best known for his portrayal of Harry Crane on the AMC series Mad Men.

Sommer's best-known film role was as Anne Hathaway's friend Doug in the 2006 film The Devil Wears Prada. He has appeared in commercials for companies such as Nextel, Sprint and Bud Light. In 2007, he appeared in an episode of Law & Order. Sommer has a regular supporting role on AMC's television series Mad Men as Harry Crane, a media buyer who becomes head of the television department in a 1960s Madison Avenue ad agency. He can be seen in ImprovEverywhere's viral video "Frozen Grand Central". On September 25, 2008, Sommer appeared as a guest star on the television series The Office. On August 7, 2011, Sommer guest starred as a veterinarian on Curb Your Enthusiasm. In May 2012, he began performances in the Roundabout Theatre's production of Harvey on Broadway.

Sommer was born in Toledo, Ohio and raised in Stillwater, Minnesota. He attended Concordia College in Moorhead, Minnesota, where he majored in theater and sang in the The Concordia Choir. He studied improv work at the Brave New Workshop in Minneapolis and started an improv group, the Slush Puppies, in Moorhead. He received his MFA in acting from Case Western Reserve University in Cleveland, Ohio. Sommer returned to the school in 2006 to teach icebreakers to law students, and again in 2008 to do an improv workshop with undergraduate theatre students.

Amy Lysle Smart (born March 26, 1976) is an American film and television actress and former fashion model.

Smart was born in Topanga, California. Her mother, Judy Lysle (née Carrington), worked at a museum, and her father, John Boden Smart, was a salesman. Amy Smart studied ballet for ten years.

While modelling in Italy, Smart met fellow model Ali Larter and the two "became instant friends", according to Larter. Whilst in Los Angeles, the two took acting classes together.

Smart's first film role was in director Martin Kunert's film Campfire Tales, followed by a small role as Queenie in the 1996 rendition of John Updike's short story, "A&P". She had a minor role in the 1997 film Starship Troopers as the co-pilot for (and friend of) Carmen Ibanez (Denise Richards). She had a starring role in the mini-series The 70s, playing a young woman from Ohio. In 1999, Smart played the girlfriend of a popular American football player (played by James Van Der Beek) in the film Varsity Blues, re-uniting her with close friend Ali Larter.

Cara Louise Santa Maria (born October 19, 1983) is an American neuroscientist and science educator. She is the senior science correspondent and host of the "Talk Nerdy to Me" series for the The Huffington Post.

Santa Maria is a native of North Texas and is a 2001 graduate of Plano East Senior High School. She is of mixed Italian and Puerto Rican descent. She earned a B.S. in psychology and an M.S. in biology with a neuroscience concentration from the University of North Texas. As an adjunct professor^{[citation needed]} working toward her Ph.D. at Queens College of the City University of New York, she investigated mechanisms underlying adult neurogenesis in songbirds (notably in Taeniopygia guttata, the Zebra Finch). She has published research in computational neurophysiology, on neuronal cell culture techniques, and on the neuropsychology of blindness.

From 2009 to 2011, Cara Santa Maria dated television host and political commentator Bill Maher.

Santa Maria has been a frequent panelist on The Point, a spin-off talk show of The Young Turks. On April 13, May 10 and May 11, 2012, Santa Maria guest hosted The Young Turks.

Alison Brie (born December 29, 1982) is an American actress best known for portraying Annie Edison on Community, Trudy Campbell on Mad Men, and Rebecca Walters in Scream 4.

Brie was born Alison Brie Schermerhorn in Hollywood, California. Her mother, Joanne (Brenner), works at the non-profit child care agency Para Los Niños, and her father, Charles Terry Schermerhorn, is a musician and freelance entertainment reporter. Brie began her career acting onstage at the Jewish Community Center in Southern California (her mother is Jewish). She graduated from the California Institute of the Arts with a bachelor's in theater in 2005. Prior to becoming a television actress, Brie had worked as a clown at birthday parties, and performed in theater in California.

For a time, Brie studied at the Royal Scottish Academy of Music and Drama in Glasgow.

One of Brie's first television roles was the minor character Nina, a novice hairdresser, on Hannah Montana. She then went on to star in the web series My Alibi, and was chosen for the role of Trudy Campbell in Mad Men. She is also a main cast member on Community as Annie Edison.

Simon Maxwell Helberg (born December 9, 1980) is an American actor and comedian. He is best known for his role as Howard Wolowitz in the sitcom The Big Bang Theory, currently in its fifth season. He also appeared on the sketch comedy series MADtv for five episodes. He is also known for his role as Moist in the Joss Whedon-led web miniseries Dr. Horrible's Sing-Along Blog.

Helberg was born in Los Angeles, California, He is the son of German-born actor Sandy Helberg. Inspired by the film The Karate Kid, Helberg trained in karate extensively during his childhood, earning a black belt at age 10. He was raised in Judaism, "Conservative to Reform but more Reform as time went on".

Helberg attended middle and high school at the Crossroads School in Santa Monica, California, with Jason Ritter, who later became his roommate at NYU. He attended New York University's Tisch School of the Arts, where he trained at the Atlantic Theater Company.

Helberg is married to actress Jocelyn Towne. In January 2012, it was announced that Helberg and Towne were expecting their first child; in May 2012 their daughter Adeline was born.