Daughter of Peter Watts, road manager for Pink Floyd until 1974.
Best friends with Nicole Kidman, since a casting call for a commercial when they were girls.
Moved to Australia when she was 14. Her maternal grandmother is Australian.
She once appeared in an Australian television commercial turning down a date with Tom Cruise for her mum's lamb roast.
Was named one of the 50 Most Beautiful People by People Magazine in 2002.
Her brother, Ben Watts, is a well-known photographer. He's been living in the US since 1994.
Featured on the cover of the Australian Empire Magazine March 2003 for Women of the Year 2002.
Voted the 14th Sexiest Female Movie Star in the Australian Empire Magazine September 2002.
When her cell phone sounds, it plays Pink Floyd's "Money".
Accepted the role for 21 Grams (2003) without reading the script first.
She has a Yorkshire terrier named Bob.
Her favorite actresses are Meryl Streep, Jodie Foster and Julianne Moore.
Moved in with best friend Nicole Kidman after Kidman spilt up from husband Tom Cruise.
Director David Lynch asked her to be in the movie Mulholland Drive (2001) after picking out her headshot from a stack of actors.
Claims she wanted to become an actor after seeing the movie Fame (1980).
Spent some of her early childhood in Anglesey, Wales, where her mother is from.
Starred in and produced 2001's Ellie Parker (2001), which was made into a kind of cult classic about a struggling actress in Hollywood and the nightmares she encountered. The movie resurfaced in 2005 at the SunDance Film Festival and is set to be re-released in December of 2005.
Ranked #76 on Forbes 2005 Power in Entertainment List.
Had a horrific fall on the New Zealand set of King Kong (2005). She fell from a height into a ditch, to the shock of the cast and crew. She thanked her rigorous practice of yoga for saving her from any permanent damage.
Parents: Peter Watts and Myfanwy (Miv) Watts.
Grandparents: Hugh & Nikki Roberts
Her parents divorced when she was four.
When she was 20 years old, she was an assistant editor at "Follow Me" magazine in Australia. After a friend begged her to try acting, she quit her job instead and never looked back.
Was accompanied by her then-boyfriend Liev Schreiber to the King Kong (2005) US-premiere. It was their first public appearance together.
Model for David Yurman. 
When she was 18, she tried her hand at modeling and was hired by an agency in Japan.
Was among the guests at Nicole Kidman's and Keith Urban's wedding
When shooting a movie, uses a specific song to get herself ready for each scene.
Was Fernando Meirelles's first choice for the role of Tessa Quayle in The Constant Gardener (2005), but she declined due to her commitment to King Kong (2005). Rachel Weisz was then given the role.
Named #99 in FHM magazine's "100 Sexiest Women in the World 2006" supplement. (2006).
Was voted #29 on AskMen.com's Most Desirable Women of 2006.
Named #2 in the French edition of FHM magazine's "100 Sexiest Women in the World 2006".
Ranked #2 in the UK FHM's most eligible women. 
Was voted 3rd in Entertainment Weekly's Entertainers of the Year in December 2005.
Named #4 of Sexiest Women over the age of 35 according to the editors at MSN Lifestyle: Men.
Is good friends with actor Mark Ruffalo and his wife Sunrise Coigney.
Friend of Kate Hudson, Gia Carides and Carla Gugino.
Played a struggling actress living in L.A. twice: in Mulholland Drive (2001) and in Ellie Parker (2005).
Was engaged to actor Liev Schreiber from 2007 until they called off in 2016.
Her mother Miv Watts is an interior designer.
Turned down the role of "Susan Storm" (Invisible Girl) in Fantastic Four (2005). Jessica Alba later got the part.
Enjoys martial arts and trained Judo for a long time. She participated in amateur Judo championships through the early 90s, from 1989 to 1992. Nowadays, she trains in Brazilian Jiu-Jitsu.
In 2007, a rumor circulated that she had been cast as Narcissa Malfoy in Harry Potter and the Half-Blood Prince (2009). The day after the rumor appeared, her PR reps claimed it wasn't true.
Her favorite "scary movie" is Don't Look Now (1973).
Considers herself to be both British and Australian.
Is 19 months younger than her brother, Ben Watts.
The maniacal laughter heard in the Pink Floyd song, "Money", is her father's, Peter Watts, the band's then-road manager.
Returned to work two months after giving birth to her son Alexander in order to begin filming The International (2009).
Was in contention for the role of Hanna Schmiz in The Reader (2008), along with Marion Cotillard, after Nicole Kidman dropped out due to pregnancy. However due to scheduling conflicts she had to back out and the part was eventually given to Kate Winslet.
Was cast in a King Lear adaptation as Goneril alongside Keira Knightley (as Cordelia), Gwyneth Paltrow (as Regan) and Anthony Hopkins (as King Lear). The movie was shelved.
Godmother of Simon Baker and Rebecca Rigg's son Claude.
Has been in at least seven remakes/revisions: The Shaft (2001), The Ring (2002), Ned Kelly (2003), Ellie Parker (2005), King Kong (2005), The Painted Veil (2006) and Funny Games (2007).
Returned to work one month after giving birth to her son Samuel in order to begin filming Mother and Child (2009).
Before finally accepting a lead role in You Will Meet a Tall Dark Stranger (2010), she was forced to turn down roles by Woody Allen in both Melinda and Melinda (2004) and Cassandra's Dream (2007) due to scheduling conflicts.
Shot her leading role in Mother and Child (2009) in only 8 days.
Attended North Sydney Girls High School.
It is often assumed that she met her now ex-fiancé Liev Schreiber on the set of The Painted Veil (2006), but they actually met at the New York Met ball in 2005.
Was three months pregnant with her son Alexander when she completed filming on Eastern Promises (2007).
Owns homes in both Los Angeles and New York City.
Was considered for the role of Catwoman in The Dark Knight Rises (2012).
Her maternal grandfather was Welsh and her maternal grandmother was Australian.
Spokeswoman for Audi. 
Spokeswoman for Pantene haircare. 
Model for Ann Taylor. 
Good friends with frequent co-star, Sean Penn.
Gave birth to her 1st child at age 38, a son Alexander Pete Schreiber (Sasha Schreiber), on July 25, 2007. Child's father is her now ex-fiancé, Liev Schreiber.
Gave birth to her 2nd child at age 40, a son Samuel Kai Schreiber, on December 13, 2008. Child's father is her now ex-fiancé, Liev Schreiber.
Has a fear of swimming in deep water. Was caught in an ocean current, when she was age 14, and was rescued by her brother, Ben Watts, who was age 15.
Has played four characters with the name Ann - Dream House (2011), Funny Games (2007), Eastern Promises (2007) and King Kong (2005).
In New Zealand, filming Peter Jackson's King Kong (2005). 
She is currently filming in London for Woody Allen in You Will Meet a Tall Dark Stranger (2010) opposite Anthony Hopkins, Antonio Banderas and Josh Brolin, among others. [August 2009]
Turned down the role of Narcissa Malfoy on Harry Potter and the Half-Blood Prince (2009) and the role went to Helen McCrory.
The appearance of the character in the game Deadly Premonition (2010), Emily Wyatt, was copied from her.
The following television shows and films were aired/released on her birthday: Emergency!: Gossip (1974) Quantum Leap: The Leap Home: Part 1 - November 25, 1969 (1990) The Simpsons: The Principal and the Pauper (1997) Numb3rs: Trust Metric (2007) The Simpsons: Sex, Pies and Idiot Scrapes (2008) She also has the same birthday as Confucius, and Cathriona White died on her birthday.
Father Peter Watts died of an apparent heroin overdose when Naomi was seven years old. She says she doesn't have any clear memories of him.
Has been tied up and had her mouth gagged in three separate movies or television episodes: Sleepwalkers: Eye of the Beholder (1998), Funny Games (2007) and Shut In (2016).
Became friends with Fay Wray while filming King Kong (2005).
Counts Daniel Day-Lewis as her all-time cinematic crush.
Lost in Space (1998) takes place two days after her 90th birthday.
Has played Four characters whose name is Ann. Ann Paterson In it Dream House 2011, Ann in Funny Games U.S 2007, Anna in Eastern Promises 2007 and Ann Darrow in King Kong 2005.
Born on the same day as Mike Johansen.