Trivia

Younger brother of actress Alexandra Daddario.

Originally auditioned for the part of "Jace Wayland" in the Shadowhunters: The Mortal Instruments (2016) TV series. When the book author, Cassandra Clare, watched his audition video, she tagged it "Would be perfect Alec" for the producers. Later, he auditioned and landed the role of "Alec Lightwood".

His father, Richard C. Daddario, was a Prosecutor for the U.S. Attorney's Office in NYC for 13 years, before being named NYC Police Department Deputy Commissioner for Counterterrorism (2010-2013). His mother is lawyer Christina Titus.

Some of his hobbies are amateur astronomy, cooking and Sci-Fi books.

His father is of three quarters Italian and one quarter Irish descent, while his mother has Hungarian/Slovak, German, and English ancestry.

His favorite TV series are Archer (2009), Breaking Bad (2008), and The Knick The Knick (2014).

His paternal grandfather was Emilio Daddario (Emilio Q. Daddario), a Democratic representative to the United States House of Representatives for the state of Connecticut from 1959 to 1971.

Has appeared in national TV spots for Amazon Kindle and Burger King.

He is the only son and middle child between an older sister, Alexandra Daddario, and a younger sister, Catharine Daddario.

Paternal grandson of Emilio Quincy Daddario (b. Masschusetts) (son of Attilio Dante Daddario, Sr. (b. Abruzzo, Ofena) and wife Giovanna or Giovina Ciovacco (b. Abruzzo, Loreto Aprutino), paternal grandson of Antonio Daddario and wife Virgilia or Virginia Corradi and maternal grandson of Enrico Ciovacco and wife Francesca Ioro) and wife Bernice Mary Carbo (b. Connecticut) (daughter of Antonio then Anthony J. Carbo (b. Connecticut), of Italian descent, and wife Henrietta Ann Daley (b. Connecticut), and maternal granddaughter of Michael Dale and wife, of Irish descent).

Maternal grandson of George Herman Titus (possibly son of George Ellsworth Titus (b. Pennsylvania), a many-generations American of English and German descent, and wife Mary E. Biedermann, paternal grandson of Lemuel Titus and wife Susan C. Schockly and maternal grandson of George M. Biedermann and wife) and wife Frieda Anna Szuchy (b. Pennsylvania) (daughter of Jacob or Jakab Szuchy (b. Keresztfalu (Krízová Ves), Slovakia, then Hungary) and wife Anna M. Gondzar (b. Slovakia, then Hungary), and paternal granddaughter of Mihály Suchy and wife Anna Klein).