My worst moment: Diane Lane and being starstruck in front of Sigourney Weaver

In the heat-soaked psychological thriller “Serenity,” Matthew McConaughey is a big-game fishing boat captain whose ex-wife, played by Anne Hathaway, asks him to murder her current husband. The film also stars Diane Lane, and her character is entwined with McConaughey’s boat captain as well.

“My…