Zachary George "Zach" Roerig (born February 22, 1985) is an American actor who is best known for roles of Casey Hughes on As the World Turns, Hunter Atwood on One Life to Live and Matt Donovan on The Vampire Diaries.

Zach was born in Montpelier, Ohio to Andrea and Daniel Roerig. Zach also has a younger sister named Emily who was born in 1989. Zach attended the Barbizon School of Modeling in Cleveland and went on to participate in the International Model and Talent Association where he signed with his late talent manager. He graduated Montpelier High School where he played both football and was also a wrestler. While he was growing up, Zach worked for his father and grandfather at Fackler Monuments making gravestones.

Zach portrayed the role of Casey Hughes on As the World Turns from January 18, 2005 to May 2, 2007. Casey was the son of legacy couple Tom and Margo Hughes, and during Zach's time, Casey was part of a popular couple, the female half portrayed by Alexandra Chando. After his departure, Roerig accepted a role on the soap One Life to Live, as Hunter Atwood. He departed again later that year. He then made a few appearances on the popular show Friday Night Lights as Cash the cowboy. Most recently, he portrays Matt Donovan in The Vampire Diaries.

Candice Accola (born May 13, 1987) is an American actress and singer, best known for her role as Caroline Forbes on The Vampire Diaries.

Accola was born in Houston, Texas but she grew up in Edgewood and attended Lake Highland Preparatory School. Her father, Kevin, is a cardiothoracic surgeon and her mother, Carolyn, was formerly an environmental engineer before becoming a homemaker. Both her parents are active members of the local Republican political party. She has one younger brother.

She is, together with her The Vampire Diaries co-stars Michael Trevino and Ian Somerhalder, one of many supporters of the It Gets Better Project, a project that has made it a goal to prevent suicide among LGBT youth, associated with The Trevor Project.

As an accomplished singer and songwriter since the age of 14, Candice Accola achieved success in her music career after being signed to a record deal at the age of 16. Candice Accola's music has garnered international success, and she continues to record and write her own music. Her debut album came out in December 2006 and got great success in Japan.

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.

Michael Trevino (born January 25, 1985 in Montebello, California) is an American actor. He is best known for his role as Tyler Lockwood in the CW series The Vampire Diaries.

Trevino was raised in Montebello, California and later Valencia, California. His mother was originally from Zacatecas, Mexico and his father was born in Fresno, California to Mexican immigrants.

He played the role of Jackson Meade, heir to Meade Milk, in the Disney Channel Original Movie Cow Belles. He has also appeared as a guest star on Cold Case, Without a Trace, Bones, and Commander in Chief. He was seen in Not Another Teen Movie as an extra. Michael also had a small role on the TV series Charmed in the eighth season episode, "Malice in Wonderland", as Alastair.

He also had a recurring role on The Riches on FX, playing high school student, Brent, in a four episode story arc in Season 1, and appeared in the third episode of Season 2.

He played the role of Jaime Vega on the short-lived 2007 television series Cane.

Trevino was cast as the character Ozzie, a student at West Beverly Hills High School, for a three episode arc on the CW's 90210. He played the part of Naomi's guy crush for the week.

Ian Joseph Somerhalder (born December 8, 1978) is an American actor and model, best known for playing Boone Carlyle in the TV drama Lost and Damon Salvatore in the TV drama The Vampire Diaries.

Somerhalder was born and raised in Covington, Louisiana, the son of Edna, a massage therapist, and Robert Somerhalder, an independent building contractor. Raised Catholic, he attended St. Paul's, a private Catholic school in Covington. He embarked on a modeling career from age 10 to 13, and by the age of 17 he decided to go into acting.

In the summer of 2000, Somerhalder starred in the short-lived WB series Young Americans, a spin-off of Dawson's Creek. He played Hamilton Fleming, the son of the dean of a prestigious boarding school. In 2002, Somerhalder played bisexual character Paul Denton in Roger Avary's adaptation of Bret Easton Ellis' novel, The Rules of Attraction, alongside James Van Der Beek, Shannyn Sossamon, and Jessica Biel.

In 2004, Somerhalder scored his breakthrough role when he played Boone Carlyle in the hit TV show Lost. Despite his character's death in the twentieth episode of the first season, Somerhalder returned to the role of Boone for seven more episodes between 2005 and 2010, including the series finale. Somerhalder was the first actor to be cast in a role for the series and the first character to die.