Ashton Kutcher departs from goofball comedies ("Dude, Where's My Car," "Just Married") for the time-traveling dramatic thriller, "The Butterfly Effect." Pairing up for interviews to promote "The Butterfly Effect" with his onscreen love interest, Amy Smart, the two spoke about their attraction to the script and playing characters who experience different versions of reality.

Ashton Kutcher and Amy Smart Interview

"The Butterfly Effect" Photo Gallery