Jonathan Murray "Jon" Chu (朱浩伟) (born November 2, 1979) is an American film director and screenwriter best known for directing the movies Step Up 2: The Streets, Step Up 3D and Justin Bieber: Never Say Never. Chu is an alumnus of the University of Southern California School of Cinema-Television. There, he won the Princess Grace Award, the Dore Schary Award presented by the Anti-Defamation League, the Jack Nicholson directing award, and was recognized as an honoree for the IFP/West program Project: Involve.

After making his student short, "When the Kids Are Away", Chu was signed to William Morris Agency and attached to several high profile projects. Chu was hired by Sony Pictures to direct their feature Bye Bye Birdie but Sony never green lit the film due to budget concerns. Sony recently got back into business with Chu to direct their updated version of The Great Gatsby. He also is in a dance crew called AC/DC or Adam/Chu Dance crew. His father, Lawrence Chu, is a well-known chef and his parents own Chef Chu's, a popular restaurant in Los Altos, California. He also attended Pinewood School from kindergarten through 12th grade. Chu is currently directing the online series The Legion of Extraordinary Dancers.

Channing Matthew Tatum (born April 26, 1980) is an American actor, film producer, dancer, and former model, best known for his roles in Step Up (2006), G.I. Joe: The Rise of Cobra (2009), Dear John (2010), The Vow (2012), and 21 Jump Street (2012). He has also appeared in films such as Coach Carter (2005), She's the Man (2006), A Guide to Recognizing Your Saints (2006), and Fighting (2009). While mostly known for his dramatic performances in Dear John and The Vow, he has since ventured into more comedic roles.

Tatum was born and raised in Cullman, Alabama. His mother, Kay (née Faust), is an airline worker, and his father, Glenn Tatum, worked in construction. His ancestry includes Irish, French and Native American. Tatum's family moved to Mississippi when he was six, and he grew up in the bayous near the Mississippi River, where he lived in a rural setting.

Tatum was athletic while growing up, playing football, soccer, track, baseball, and performing martial arts; he has said that "girls were always [his] biggest distraction in school." As a child, he practiced wuzuquan kung fu under the lineage of 10th dan Grandmaster Chee Kim Thong. Tatum spent most of his teenage years in the Tampa, Florida area and initially attended Gaither High School before going to Tampa Catholic High School. He graduated in 1998 and was voted most athletic. Afterward, Tatum attended Glenville State College in Glenville, West Virginia on a football scholarship, but dropped out. He returned home and started working odd jobs. US Weekly reported that around this time Tatum began working as a stripper at a local nightclub, under the name "Chan Crawford." In 2010, he told an Australian newspaper that he would like to make a movie about his experiences as a stripper. He later moved to Miami, where he was discovered on the street by a model talent scout.

Justin Drew Bieber ( /ˈbiːbər/ BEE-bər, born March 1, 1994) is a Canadian Pop/R&B singer-songwriter, musician, and actor. Bieber was discovered in 2008 by Scooter Braun, who came across Bieber's videos on YouTube and later became his manager. Braun arranged for him to meet with Usher in Atlanta, Georgia, and Bieber was soon signed to Raymond Braun Media Group (RBMG), a joint venture between Braun and Usher, and then to a recording contract with Island Records offered by L.A. Reid. Bieber's debut single, "One Time", was released in 2009 and peaked in the top twenty in Canada and charted in the top thirty in several international markets. His debut album, the seven-track EP My World, followed in November 2009, and was soon certified platinum in the United States. He became the first artist to have seven songs from a debut album chart on the Billboard Hot 100.

Scott Samuel "Scooter" Braun (born June 18, 1981) is an American talent manager. His acts appear on two record labels, Raymond-Braun Media Group (RBMG) and Schoolboy Records. The most prominent artist Braun represents is Justin Bieber, who is signed to Raymond-Braun Media Group.Asher Roth, also a Braun client, is signed to Schoolboy Records.

Braun was born in New York City. He comes from a Hungarian Jewish family. His father and paternal grandparents lived in Hungary until 1956. Just before the Soviet Union intervened to suppress the Hungarian Revolution of 1956, the family fled to the United States of America. In Hungary, his grandfather had been a dental student, but when he arrived in the United States, he took work as a lab technician in Queens. To make ends meet, Braun's grandmother took work in a New York sweatshop.

Braun's father, Dr. Ervin Braun, followed in his own father's footsteps, becoming a dentist in Manhattan. During dental school, he met Susan Schlussel, also a dental student, and the two married. After Scooter Braun was born, the family moved to Greenwich, Connecticut. His father was active in youth sports in the Greenwich area, founding the Connecticut Flame AAU basketball program.

Deborah "Debby" Ryan (born May 13, 1993) is an American actress and singer. Ryan is best known for starring as Bailey Pickett in the Disney Channel Original Series The Suite Life on Deck. The Suite Life on Deck became the most watched children's show on television. Ryan started acting in professional theatres at the age of seven; in 2007 she appeared in the Barney & Friends straight-to-DVD film Barney: Let's Go to the Firehouse and then was discovered in a nationwide search by Disney. She is also known for appearing in the 2008 feature film The Longshots as Edith.

In 2010, she starred in the film, 16 Wishes, which was the most watched cable program on the day of its premiere on the Disney Channel. 16 Wishes introduced Ryan to new audiences; the movie received high viewership in the adults demographic (18-34). Ryan starred in the independent theatrical film, What If..., which premiered on August 20, 2010. Ryan also stars in the new Disney Channel Original movie, 'Radio Rebel'. Debby Ryan portrays the role of Tara Adams, a shy 17 year old girl who adopts the radio personality, Radio Rebel. Released February 17, 2012.