STORY HIGHLIGHTS Actress Liv Tyler says "Hulk" role came unexpectedly Tyler plays Betty Ross in new film version of Marvel superhero Tyler says she was huge fan of TV show with Bill Bixby LOS ANGELES, California (CNN) -- Liv Tyler doesn't like to be bothered by her agents at night. But it's a good thing she took their call pitching her "The Incredible Hulk." Liv Tyler plays Betty Ross, a colleague of Edward Norton's Bruce Banner, in "The Incredible Hulk." "My agent called me one night ... I had just put [son] Milo to bed. It was like 9 o'clock at night, and I always get grumpy with them when they call me really late," she told CNN. "They said, 'Marvel would like to fly you to Los Angeles tomorrow. Will you get on a plane to come and meet for 'The Hulk'? And I said I can't come tomorrow, but I can come the next day." The flight turned out to be well worth it -- though Tyler said she was discombobulated by