The Guardian (2006)

Cast: Kevin Costner, Ashton Kutcher, Sela Ward, Melissa Sagemiller, Dulé Hill, Bryce Cass, Omari Hardwick, Clancy Brown, Neal McDonough, Benny Ciaramello

A high school swim champion with a troubled past enrolls in the U.S. Coast Guard's 'A' School, where legendary rescue swimmer Ben Randall teaches him some hard lessons about loss, love, and self-sacri…