the followin is taken from Wikipedia.org and a few words have been reworded!
Alexandra was born in New York City, the eldest child of Christina, a lawyer, and Richard Daddario, a prosecutor and former head of the New York City Police Department counter-terrorism unit under Mayor Michael Bloomberg. Her brother, Matthew Daddario, is also an actor, and she has a sister named Catharine. Her paternal grandfather was Emilio Q. Daddario, a Democratic member of the United States House of Representatives for the state of Connecticut, from 1959 to 1971. She has Italian, Hungarian, English, Slovak and Irish ancestry.
Daddario was raised on Manhattan’s Upper East Side. She attended Brearley School as well as the Professional Children’s School. Daddario said she decided to be an actress at the age of eleven. She attended Marymount Manhattan College. She has studied the Meisner acting technique for years.
She made her television debut at the age of 16, when she played victimized teen Laurie Lewis in the ABC daytime soap opera All My Children. Her first major role was as Annabeth Chase in the fantasy adventure film Percy Jackson & the Olympians: The Lightning Thief (2010). She also had a recurring role as Neal Caffrey’s love interest Kate Moreau in the USA Network’s procedural drama series White Collar. In 2011, she co-starred in Hall Pass and had a recurring role as Rachel in NBC’s comedy-drama series Parenthood.
In 2012, she starred in the music video for Imagine Dragons’ song “Radioactive”, and had an episode guest stint in the FX sitcom It’s Always Sunny in Philadelphia as Ruby Taft. Her first starring role after Percy Jackson was the slasher film Texas Chainsaw 3D (2013) as the lead character Heather Miller. In the latter part of 2013, Daddario reprised her role as Annabeth Chase in the film sequel Percy Jackson: Sea of Monsters. She then appeared in the romantic horror comedy Burying the Ex with Anton Yelchin and Ashley Greene. Burying the Ex was among the chosen films participating but not competing at the Venice Film Festival in 2014.
In 2014, Alexandra had a short role in the first season of the HBO anthology series True Detective. She appeared in a four-episode arc as Lisa Tragnetti, a court reporter having an extramarital affair with Woody Harrelson’s character. The following year, she had a lead role as Blake Gaines in the disaster film San Andreas, alongside Dwayne Johnson. Also in 2015, Daddario made a cameo appearance in the pilot of the Fox comedy series The Last Man on Earth created by and starring Will Forte. That same year, she guest starred in the fifth season of the FX anthology series American Horror Story, portraying a fictionalized version of designer Natacha Rambova.
In 2016, she had a supporting role in the Nicholas Sparks romantic drama film The Choice, directed by Ross Katz. Alexandra subsequently starred as one of the leads in the film adaptation of Baywatch (2017), reuniting with her San Andreas co-star Dwayne Johnson. She played Summer Quinn, who was portrayed by Nicole Eggert in the original television series. That same year, Daddario portrayed Kate Jeffries, alongside Kate Upton, in the road trip comedy The Layover (2017), directed by William H. Macy. In 2018, she appeared in the music video “Wait” by Maroon 5 and starred as Avery Martin in the romantic comedy When We First Met, opposite the film’s co-writer Adam DeVine. Daddario also appeared as Scuba Diver in Rampage directed by Brad Peyton, but was cut in the final film. Daddario is set to star as Constance Blackwood in We Have Always Lived in the Castle, a Stacie Passon-directed film adaptation of Shirley Jackson’s mystery thriller novel of the same name. Daddario has been cast alongside Henry Cavill and Sir Ben Kingsley in the psychological thriller Nomis, and is also headlining the drama-thriller film I Am Not a Bird. Daddario is set to executive produce and cast as Emma Corrigan in Can You Keep a Secret?, based of the novel by Sophie Kinsella.