With being thrown off buildings an occupational hazard, professional stuntwomen Jeannie Epper and Zoë Bell (the alter egos of Wonder Woman and Xena, respectively) would seem well-equipped for any challenges Hollywood might dish out. But finding roles -- and respect -- in a male-dominated field can prove more harrowing than dodging punches.

The history of cinematic sound, told by legendary sound designers and visionary filmmakers.