Kat Graham made her acting debut in the 1998 American romantic comedy film ‘The Parent Trap,’ directed by Nancy Meyers. The film received positive response from critics and was a major box office success. In 2002, she made her first television appearance in the "You're a Good Man, Lizzie McGuire" of the American comedy television series ‘Lizzie McGuire.’ She went on to appear in television series like ‘Strong Medicine’ (2003), ‘Malcolm in the Middle’ (2003), ‘Like Family’ (2004), ‘Grounded for Life’ (2004), ‘CSI: Crime Scene Investigation’ (2006), ‘Greek’ (2007), and ‘Hannah Montana’ (2008-2009).Â
In 2009, she starred as ‘Jamie’ in the fantasy comedy film ‘17 Again,’ directed by Burr Steers. While the film received a lukewarm response from critics, it was a massive box office success, grossing over $139.5 million against a budget of $40 million. That same year, she joined the main cast of the American supernatural teen drama television series ‘The Vampire Diaries.’ She played the role of ‘Bonnie Bennett’ and remained a part of the series until it went off-air in 2017. Graham returned to the big screen with the 2011 American psychological thriller film ‘The Roommate,’ directed by Christian E. Christiansen. The film was panned by critics but it proved a box office success. She then acted in ‘Addicted’ (2014), ‘All Eyez on Me’ (2017), ‘Where's the Money’ (2017), ‘The Holiday Calendar’ (2018), ‘The Poison Rose’ (2019), ‘Cut Throat City’ (2020), and ‘Operation Christmas Drop’ (2020).
In 2020, Graham joined the cast of the American animated streaming television series ‘Trolls: TrollsTopia’ where she voices ‘Rhythm & Blues.’ She is all set to appear in the upcoming comedy romance film ‘Love in the Villa’ directed by Mark Steven Johnson. She will also be a part of the upcoming sci-fi film ‘Sunflower.’