Kellan Christopher Lutz (born March 15, 1985) is an American fashion model, and film and television actor, who is best known for playing Emmett Cullen in the Twilight Saga film series.

Lutz is the middle child with one sister and six brothers. He was born in Dickinson, North Dakota, and was raised throughout North Dakota, the Midwest, and Arizona. After graduating from high school he moved to California to attend Chapman University for chemical engineering, but later decided to pursue an acting career instead.

Lutz has acted on a number of television shows. He had recurring roles on Model Citizens and The Comeback, and smaller roles in episodes of The Bold and the Beautiful, CSI: NY, Summerland, Six Feet Under, CSI: Crime Scene Investigation, and Heroes. He was also in the films Stick It, Accepted, and Prom Night. Additionally, Lutz has performed on the California stage and was the host of Bravo's Blow Out. He also appeared in the 2006 commercial for Hilary Duff's fragrance With Love... Hilary Duff, and in the 2007 music video for her single, "With Love". In 2008, he appeared in another music video, Hinder's "Without You". In the same year, Lutz also appeared in the miniseries Generation Kill, based on the book by Evan Wright.

Michael Sylvester Gardenzio Stallone (/stəˈloʊn/; born July 6, 1946), commonly known as Sylvester Stallone, and nicknamed Sly Stallone, is an American actor, filmmaker, screenwriter, film director and occasional painter. Stallone is known for his machismo and Hollywood action roles. Two of the notable characters he has portrayed are boxer Rocky Balboa and soldier John Rambo. The Rocky and Rambo franchises, along with several other films, strengthened his reputation as an actor and his box office earnings.

Stallone's film Rocky was inducted into the National Film Registry as well as having its film props placed in the Smithsonian Museum. Stallone's use of the front entrance to the Philadelphia Museum of Art in the Rocky series led the area to be nicknamed the Rocky Steps. Philadelphia has a statue of his Rocky character placed permanently near the museum, on the right side before the steps. It was announced on December 7, 2010 that Stallone was voted into boxing's Hall of Fame.

Sylvester Stallone was born Michael Sylvester Gardenzio Stallone in New York City, the elder son of Frank Stallone, Sr., a hairdresser, and Jackie Stallone (born Jacqueline Labofish), an astrologer, former dancer, and promoter of women's wrestling. His younger brother is actor and musician Frank Stallone. Stallone's father was born in Gioia del Colle, Apulia, Italy, and emigrated to the United States as a child. Stallone's mother is of half Russian Jewish and half French descent.

Nina Dobrev (born Nina Constantinova Dobreva; January 9, 1989) is a Bulgarian-born Canadian actress and model. She played the role of Mia Jones, the single teenage mother, on Degrassi: The Next Generation, from the show's sixth to ninth season. She currently stars as Elena Gilbert and Katherine Pierce on The CW television teen drama, The Vampire Diaries.

Nina Dobrev was born in Sofia, Bulgaria, and moved to Canada at the age of two, where she was raised in Toronto, Ontario. She speaks fluent French, English, and Bulgarian. She has an older brother, Alexander; her father is a computer specialist and her mother is an artist.

Dobrev attended J. B. Tyrrell Sr. Public School, where she started ballet and jazz classes, and competed in rhythmic gymnastic. Then, she attended and Wexford Collegiate School for the Arts in Scarborough, Ontario and Ryerson University in Toronto, majoring in sociology. She left in 2008 to pursue her acting career.

While working on the show, she began dating her Vampire Diaries co-star Ian Somerhalder.

Ashley Michele Greene (born February 21, 1987) is an American actress and model, best known for playing Alice Cullen in the film adaptations of Stephenie Meyer's Twilight novels.

Greene was born in Jacksonville, Florida, and is the daughter of Michele (née Tatum), who works in insurance, and Joe Greene, a U.S. Marine who now owns his own concrete business. She grew up in Middleburg and Jacksonville, and went to University Christian School before transferring to Wolfson High School when she was in tenth grade. She moved to Los Angeles, California, at the age of 17 to pursue an acting career. Greene has an older brother named Joe, who still resides in Jacksonville with their parents.

Greene is good friends with her Twilight co-stars, particularly Kellan Lutz and Jackson Rathbone whom she knew before filming of the series began. Greene has stated the she grew up watching football and is a Florida Gators fan. She was also seen attending a Green Bay Packers game against the New York Giants with Jonas and Jessica Szohr at Lambeau Field in 2010. In 2009, nude self portraits of Greene were leaked onto the internet. Her attorneys threatened to sue various websites that published the pictures.

Ryan John Seacrest (born December 24, 1974) is an American radio personality, television host and producer. He is known internationally as host of the top-rated primetime talent showcase American Idol. He has been nominated for an Emmy award in the "Outstanding Host for a Reality or Reality-Competition Program" category for his work on American Idol. He won a Daytime Emmy Award for co-hosting the 2005 Walt Disney World Christmas Day Parade with Regis Philbin and Kelly Ripa. As a television producer, Seacrest has won an Emmy for the ABC show Jamie Oliver’s Food Revolution. On radio, Seacrest is host of On Air with Ryan Seacrest, his market-topping #1 nationally syndicated LA morning drive-time radio show for Clear Channel’s 102.7 KIIS-FM. , as well as a nationally-syndicated Top 40 radio show. Seacrest hosted the 59th Primetime Emmy Awards on September 16, 2007. Seacrest has extensive deals with brand heavyweights Proctor & Gamble, Coca-Cola and Microsoft, and has a strategic marketing and technology alliance with Eventful, Inc.