Cheryl Stephanie Bautista Burke (born May 3, 1984) is a professional dancer. She is best known for being one of the professional dancers on ABC's Dancing with the Stars, where she was the first female professional to win the show and the first professional to win twice and consecutively.

Burke grew up in Atherton, California. Her father is of Irish and Russian descent and her mother is Filipina. Her family dances for recreation and has a dance floor at home. At age four, she began taking ballet lessons and performing locally. She then began ballroom dancing and decided to change her focus. She trained in both standard ballroom and Latin dances. She began competing at age 13. Cheryl attended Menlo-Atherton High School, graduated in 2002. In fall of 2007 Cheryl was awarded the key to the city from the mayor of Atherton at her old high school.

Burke won her first championship with 98 Degrees member Drew Lachey in the second season. She won her second championship with retired football star Emmitt Smith in the third season. Cheryl returned to the ballroom on March 19, 2007 for Season 4, partnered with actor Ian Ziering. She and Ziering were eliminated in the semi-finals on May 15, 2007.

Jack Joseph Osbourne (born 8 November 1985) is an English media personality, best known as the son of musician Ozzy Osbourne and music manager Sharon Osbourne, and brother of Aimee and Kelly Osbourne.

Osbourne was born in St John's Wood, London. He has two older sisters, Aimee Osbourne and Kelly Osbourne, and also two elder half-siblings; Jessica Hobbs and Louis Jon Osbourne, both of whom are from Ozzy's previous marriage to Thelma Riley. The Osbournes have many pets, and Jack had a female bulldog named Lola, she died on February 21 in 2012. Jack says that his childhood years were "perfectly happy and contented". For the first six years of his life he lived in the Chiltern Hills in Buckinghamshire. When he was six, Sharon and Ozzy decided to move the family to Los Angeles, but a year later the family moved back to Buckinghamshire. When Jack was eleven, the family moved back to Southern California, but this time to Beverly Hills. In spite of moving so many times at a young age, Jack claims "he didn't find it too disruptive".

Gilles Marini (born January 26, 1976) is a French actor. He is known for having appeared in Sex and the City: The Movie and in the American TV show Brothers & Sisters as Luc Laurent.

Marini was born in Grasse, Provence-Alpes-Côte d'Azur, France to a Greek mother and Italian father. After working as a baker in his father's bakery since he was eight years old and graduating from high school, Gilles joined the French army and was stationed in Paris, where he acted as a fireman for the famous Brigade des Sapeurs Pompiers de Paris. It was in Paris where Marini met Fred Goudon, a photographer who introduced him to the world of modeling. After fulfilling his military duties, he went to the United States to learn English while working as a model. He began his career as a model in his early twenties. One of his first jobs was a television commercial for Bud Light beer. He made his acting debut at the age of 29, in the 2005 horror flick Screech of the Decapitated.

He played Dante in Sex and the City: The Movie in which he did a full frontal nude scene. He has been seen on Brothers & Sisters, Ugly Betty, Dirty Sexy Money, Criminal Minds, Nip/Tuck, The Bold and the Beautiful and Passions. His recent film credits include One and the Other (L'Une et L'Autre) and The Boys & Girls Guide to Getting Down. On February 8, 2009, it was announced that Marini would participate in the eighth season of Dancing with the Stars. His professional partner was Dancing with the Stars' Cheryl Burke.

Emmitt James Smith, III (born May 15, 1969) is a retired American football player who was a running back in the National Football League (NFL) for fifteen seasons during the 1990s and 2000s. Smith played college football for the University of Florida, where he was an All-American. A first-round pick in the 1990 NFL Draft, he played professionally for the Dallas Cowboys and Arizona Cardinals of the NFL.

During his long professional career, he became the NFL's all-time rushing leader, breaking the record formerly held by Walter Payton, and played for three Super Bowl-winning Dallas Cowboys teams. Smith is the only running back to ever win a Super Bowl championship, the NFL Most Valuable Player award, the NFL rushing crown, and the Super Bowl Most Valuable Player award all in the same season (1993). He is also one of only four running backs to lead the NFL in rushing three or more consecutive seasons, joining Steve Van Buren, Jim Brown and Earl Campbell. Smith led the league in rushing and won the Super Bowl in the same year three times (1992, 1993, and 1995) when to that point it had never been done. Smith is also one of only two non-kickers in NFL history to score more than 1,000 career points (the other being Jerry Rice). Smith was inducted into the Pro Football Hall of Fame in 2010, and is the first player from the 1990 NFL Draft to be inducted.

Ellen Lee DeGeneres ( /dɨˈdʒɛnərəs/; born January 26, 1958) is an American stand-up comedian, television host and actress. She hosts the syndicated talk show The Ellen DeGeneres Show.

DeGeneres has hosted both the Academy Awards and the Primetime Emmys. As a film actress, she starred in Mr. Wrong, appeared in EDtv and The Love Letter, and provided the voice of Dory in the Disney-Pixar animated film Finding Nemo, for which she was awarded a Saturn Award for Best Supporting Actress, the first and only time a voice performance won a Saturn Award. She was a judge on American Idol for one year, having joined the show in its ninth season. She also starred in two television sitcoms, Ellen from 1994 to 1998 and The Ellen Show from 2001 to 2002. During the fourth season of Ellen in 1997, DeGeneres came out publicly as a lesbian in an appearance on The Oprah Winfrey Show. Shortly afterwards, her character Ellen Morgan also came out to a therapist played by Winfrey, and the series went on to explore various LGBT issues including the coming out process. She has won thirteen Emmys and numerous other awards for her work and charitable efforts.