I became a real Shell Motor Oil expert, and I did this 25-minute film. It turned out really well and, as a result, they offered me more work and lots of commercials to direct.

Harlin directed the WWE Studios action movie 12 Rounds starring John Cena. X. Instead Harlin made another foray into low-budget horror with The Covenant which was another moderate commercial success.

His film Cutthroat Island (1995) held the Guinness world record for "Biggest Box-Office Flop of All Time". Harlin's movies have earned US$506543064 in the United States as of January 2013 making him the 87th highest-grossing director in the American market.