"When three guys are making a movie, the jokes become so filthy as of lunchtime on the first day of shooting. Kevin Bacon and Bill Paxton, who were in the capsule with me, know the foulest jokes. We were trying to out-foul and out-gross each other - that's how we spent most of our trip to the moon. You just go from there and get in big, big trouble." Tom Hanks had a blast filming Apollo 13.