Matthew McConaughey could have starred as Jack Dawson in "Titanic," but a new excerpt from a late producer's memoir claims he refused to drop his accent during his audition.

Six words reportedly cost Matthew McConaughey the lead role in Titanic: “No. That was pretty good. Thanks.” Producer Jon Landau, who has worked on the majority of director James Cameron 's feature films,

Matthew McConaughey once lost out on the lead role as Jack in James Cameron's Titanic, and the reason why has finally been explained in a new memoir.