The role of Chaucer in A Knight's Tale (2001) was specifically wrote for Paul by writer/director Brian Helgeland.
He wore a wig for the movie, The Da Vinci Code (2006).
Paul, 16, had a younger brother, Matthew, 8, who died in a fall.
In 2000, Paul was nominated for the British Independent Film Award in the category, Best Actor, for the movie, Gangster No. 1 (2000).
Humphrey Bogart, Al Pacino, Robert De Niro, Peter O'Toole and Vincent Cassel are Paul's acting heroes.
He spent a year acting with the Royal Shakespeare Company.
Due to all the yelling he had to do as Geoffrey Chaucer in A Knight's Tale (2001), Paul developed laryngitis.
He has a niece, Emaly.
His grandmother was a successful actress and his grandfather was a musician and promoter.
Paul's favorite foods are cheese and broccoli.
In June 2004, he was invited to join the Academy of Motion Picture Arts and Sciences.
He dated Laura Fraser.
His older sister is a writer.
In 2002, Paul was nominated for a SAG Award for Outstanding Performance by the Cast of a Theatrical Motion Picture for A Beautiful Mind.
His favorite novel is Darkness at Noon.
His height is 6'3".
Bettany's acting career started in 1997 when he appeared in the TV movie Sharpe's Waterloo (1997).
His father, Thane Bettany, worked as a teacher and actor while his mother, Anne Kettle, was a secretary. His mother was previously an actress.
Paul says that he's happy to have worked with Lars von Trier, even though they had their controversies during the making of Dogville (2003).
He married Jennifer Connelly on New Year's day 2003. Thus, he has a stepson, Kai Dugan.
He met his wife, Jennifer Connelly, at the set of A Beautiful Mind (2001).
A Knight's Tale was Paul's first big Hollywood production.
He won the London Critics Circle Award for British Supporting Actor in the movie A Knight's Tale (2001). He also won the Evening Standard Film Award 2001 for Best Supporting Actor as Geoffrey Chaucer in A Knight's Tale (2001).
Paul was heavily addicted to cocain by the time he did the miniseries David Copperfield. He started turning his back on drugs after jeopardising a friends life because of his abuse.
He decided to go for an acting career at age 19.
He's an autodidact guitar player.
Paul's got one sibling, his older sister Sarah Bettany.
He's maried to actress Jennifer Connelly.
He quit smoking when he saw his son, Stellan, imitating him with a pen.
His drink of choice is whisky.
He has a son, Stellan, born in 2003. Stellan is named after Stellan Skarsgård, who acted with Paul in Kiss Kiss (Bang Bang) (2000) and Dogville (2003).
Paul played "Silas" in the movie The Da Vinchi Code (2006).
Paul: I feel safe in saying this, and that is that Peter Weir is without a doubt one of the greatest filmmakers of all time. I'd open a door in a movie for him if he asked me to.
Paul: For some ungodly reason, I end up being naked in a lot of stuff. But there is a certain grace and kudos that come with taking your clothes off on the first day, a respect that is given by the rest of the cast.
Paul: Acting's a bit like sex - it's really fun to do but it's really embarrassing to talk about.
Paul (on filming Master and Commander): I can honestly say I haven't seen that many people throw up since I went to a CURE concert in the Eighties.
Paul (advice on avoiding paparazzi): The trick is to wear the same clothes every day because they can't keep repeating the same photo.
Paul (on surviving filming Master and Commander, being away from his wife for several months): You masturbate until you're numb.
Paul: I've been the beneficiary of producers saying, 'Get me that guy who looks like Jude Law but is cheaper. What's his name? - Paul Bettany?' And then they go, 'Get me Paul Bettany.'...But soon they'll be saying, 'Actually, get me the guy who looks like Paul Bettany but is cheaper.
Paul: The world is split into two kinds of people, those who would go out for a drink with John Lennon, and those who'd choose Paul McCartney. After the Beatles came back from India, Lennon wrote Happiness Is a Warm Gun and McCartney wrote Ob-La-Di. End of argument.
Paul Bettany: My buttocks entered the American market before I did.
Paul Bettany: My favorite toys at the moment are the digital camera, the plasma TV, and my Range Rover.
Paul Bettany: When I flirt, I avoid loving soccer, I don't talk about it, and I watch the matches in secret. It's the attention that is so popular with women.