Tiffany Thornton plays resident teen queen Tawni Hart in the Disney Channel sitcom
"Sonny With A Chance."

In 2009, she was also seen starring opposite Jason Dolley and Mitchel Musso in the
Disney Channel Original Movie "Hatching Pete."

Thornton recorded "If I Never Knew You" for Walt Disney Records' Disneymania 7 (out
March 2010), as well as "I Believe," a Christmas duet with Kermit the Frog, which
she performed at the 2009 Macy's Thanksgiving Parade. Also in 2009, she sang
"Someday My Prince Will Come" for the re-release of "Snow White and the Seven
Dwarfs," "Magic Mirror" for the "Tinker Bell and the Lost Treasure" soundtrack, as
well as voiced the "Sing It Pro" tutorial mode in the Disney Interactive Studios
video game, "Disney Sing It: Pop Hits 2." Thornton also hosted Radio Disney's
"N.B.T." (Next Big Thing) in 2009, a program that spotlights young recording artists
and provides them with national broadcast and online exposure.

In 2004 she landed her first guest appearance on the FOX sitcom,
"Quintuplets" and continued to win roles in primetime television shows including
"Arrested Development," "8 Simple Rules," "The O.C.," "Desperate Housewives,"
"Jericho," "Side Order of Life" and "American Dreams." She has also appeared on
Disney Channel's "That's So Raven," Wizards of Waverly Place" and "Hannah Montana."

Sterling Knight plays heartthrob Chad Dylan Cooper in the Disney Channel Original
Series "Sonny With A Chance."

He recently starred as Christopher Wilde, Hollywood's biggest teen pop sensation, in
the Disney Channel Original Movie "StarStruck."

Knight was seen in the blockbuster New Line/Warner Bros. film "17 Again," opposite
Zac Efron, Matthew Perry and Leslie Mann for director Burr Steers and producer Adam
Shankman. Knight's television credits include guest-starring roles on "The
Closer," "Grey's Anatomy" and "Hannah Montana."