Worked on Alien³ (1992) for over a year and asked to leave the project after not being satisfied with any script and wanted to do something completely different, and the next day was offered The Adventures of Ford Fairlane (1990) by Joel Silver.
When he was starting out in Hollywood, he would travel via the city bus system with reels of his work to show studio executives.
Dating Sarah Thackray, a British journalist. [2001]
Dated former Miss Finland Tarja Smura.
Father of child born (in August 1997) to personal assistant, Tiffany Bowne who worked with the director on Cutthroat Island (1995) and The Long Kiss Goodnight (1996).
Edited both his 1990 Fox films The Adventures of Ford Fairlane (1990) and Die Hard 2 (1990) at the same time.
Had 2 films open one week apart in 1990: The Adventures of Ford Fairlane (1990) and Die Hard 2 (1990).
Was perhaps the first mainstream, American-based filmmaker to use Toronto for big-budget locational and shooting purposes (something that has become very commonplace for American films nowadays) with his film The Long Kiss Goodnight (1996).
In 2001, he bought an apartment from former Formula One driver Eddie Irvine.
He is a friend of Sylvester Stallone.
He got a medal ("Kultainen ansiomerkki") from Finnish WWII veterans in 2004. He helped to organize "Kiitoksen paikka" concert which collected money to secure treatment and help to the old war veterans. Harlin said that helping the defenders of Finland is much more important that his other achievements.
Does a director's commentary for the DVDs of every single one of his movies.