Was a Calvin Klein model.
Was the face of the 2007 campaign for men's cologne Dior Homme.
Actress Greer Garson was his grandmother's first cousin, making Greer and Jamie first cousins, twice removed.
Played a serious level of rugby in his native Northern Ireland.
Is a huge Manchester United fan and is a season ticket holder.
Was in a relationship with actress Keira Knightley from 2003 to 2005. They met on the set of an Asprey photo shoot in 2003.
His mother, Lorna, died of pancreatic cancer when he was just 16 years old.
Is very good friends with fashion journalist Hadley Freeman as well as actors Andrew Garfield and Eddie Redmayne. They were all looking for acting work around the same time.
Met wife Amelia Warner in 2010 through mutual friends at a party in Hollywood, California.
Is the youngest of three children. He has two older sisters, Liesa and Jessica.
Resides with his wife and children at a property in The Cotswolds, England. May also still own a property in Notting Hill, London, England.
Prefers to keep a beard and not shave at all. He had to be clean shaven for the role of Christian Grey in Fifty Shades of Grey (2015).
Suffers from asthma.
Was a member of folk band Sons of Jim from 2006 until 2008, when the group disbanded.
Once shared an apartment with Eddie Redmayne.
Has stated that in his free time that he enjoys golfing and reading.
Had a 2-minute cameo in Burnt (2015) that didn't make it to the final cut, it was part of Sienna Miller's character's backstory. The scene was disapproved by the audience in test screenings and was removed from the movie.
Has three children with Amelia Warner: a daughter named Dulcie, born in Vancouver, British Columbia, Canada, on 21 November 2013; a second daughter, Elva, born in the UK on 16 February 2016, and a third daughter, born in the UK in February 2019.
His father, Jim Dornan, is an obstetrician and gynecologist who, according to Jamie, has delivered over 6,000 babies in his lifetime.
His grandparents were Presbyterian missionaries.