Gellar moved to Los Angeles following her departure from All My Children, and in 1996, she read the script for Joss Whedon's television series Buffy the Vampire Slayer, which follows Buffy Summers, a teenager burdened with the responsibility of fighting occult foes and supernatural occurrences.
She screen tested several times originally for the role of Cordelia Chase, During the early airing of Buffy the Vampire Slayer, Gellar made her first major film appearances in two successful slasher films.
Around that time, she guest starred in three episodes of Angel and appeared as Debbie in the HBO series Sex and the City episode "Escape from New York".
She filmed her scenes in-between shots of Buffy and had only recently finished work on I Know What You Did Last Summer.
Despite the hectic scheduling, she agreed to perform in Scream 2 without having read the script, on the basis of the success of the first film.
It was tough because, when you're a little kid, Mc Donald's is where all your friends have their birthday parties, so I missed out on a lot of apple pies." and also guest starred in various television series, such as Spenser: For Hire and Crossbow.
At the age of nine, she appeared alongside Matthew Broderick and Eric Stoltz in the Broadway production The Widow Claire.
Due to financial problems at Yari Film Group, Gellar starred as a young depressed woman who rediscovers the joy in life when she finds out that she only has days to live following a suicide attempt.
Like Possession, the film failed to find a proper release in North American theaters, and was released for VOD in 2015.
I was telling them that I had back problems and had to go to the doctor the whole time". La Guardia High School of Music & Art and Performing Arts, but dropped out due to acting obligations; the teachers threatened to fail her because of her constant absence from classes as she was busy going to auditions, despite earning good grades.
Two weeks later, she auditioned for a part in the television film An Invasion of Privacy, with Valerie Harper, Carol Kane and Jeff Daniels.
After being spotted by an agent at the age of four in New York City, she made her acting debut in the made-for-television film An Invasion of Privacy (1983).