Date of Birth: July 2nd 1985
She was discovered by Bill Perlman, her current manager, at South Shores Mall, when she was three. After booking her first audition, she went on to star in around hundred national network commercials. At the age of eight, she got a leading role in the Broadway musical, Les Misérables and later toured internationally with the cast of Annie. She began acting, appearing in stage productions of Gypsy: A Musical Fable and The Sound of Music at the Jewish Community Center of Monmouth County.
In 2005, Tisdale was cast in the role of Maddie Fitzpatrick on The Suite Life of Zack & Cody after auditioning for the roles of Maddie Fitzpatrick and London Tipton. As the series became popular, Tisdale became a featured performer on the Disney Channel and performed a voice role in Whisper of the Heart. She was also cast in Disney Channel Original Movie High School Musical, which became a major success for the channel after its premiere on January 20, 2006. Tisdale also auditioned for the role of Erin Ulmer in Final Destination 3 but lost out to Canadian actress Alexz Johnson.
Tisdale was cast as Sharpay Evans in Disney Channel Original Movies, High School Musical. Tisdale had originally auditioned for the role of Gabriella Montez, but was eventually cast as Sharpay Evans, because it was felt that her alto voice suited a darker character. She reprised her role as Sharpay Evans in High School Musical 2 which premiered on August 17, 2007. She appeared in the Disney Channel Games 2006 as captain of the Green Team. Tisdale is also appearing in the second rendition of the Disney Channel Games this year. More recently, Tisdale signed a deal with Staples, Inc. to appear in the promotional campaign for the company's "Geared 4 School" sweepstakes in the fall. Tisdale will also have a supporting role in the Disney Channel cartoon Phineas and Ferb.