My biggest regret is not doing Boogie Nights ,” DiCaprio tells director Paul Thomas Anderson in Esquire’s latest cover story. The actor turned down Anderson’s 1997 porn-star drama after starring in The Basketball Diaries because it conflicted with his role in James Cameron’s Titanic.

Leonardo DiCaprio said his 'biggest regret' in his career was turning down Mark Wahlberg's role in 'Boogie Nights,' which he called 'a masterpiece'

Leonardo DiCaprio has starred in some of the most famous films of the last 30 years – but there’s one he regrets turning down. The Oscar-winning star, 50, has revealed that he rejected the opportunity to star in Boogie Nights, Paul Thomas Anderson ’s 1997 drama about the porn industry. His decision, however, freed him up to star in Titanic.