Paul Rudd has revealed that he auditioned for Titanic, but spent his time speaking about the history of the ship instead of acting out his lines.

The Ant-Man star was in the running for the role of Jack Dawson, which was made famous by Leonardo DiCaprio in the 1997 hit film.

"I auditioned for Titanic," Rudd told James Corden. "I wanted to get the part because my dad was a Titanic historian. He used to go all over the world talking about the Titanic."

On where his audition went wrong, Rudd said, "I went in there talking about what steel they used and where it was built and they were like, 'None of this matters'."

Rudd joked that he didn't mind not getting the part because "the guy that got is was pretty good."

Watch Paul Rudd and Diane Lane recreate that infamous scene: