Edmond O'Brien: Edmond O'Brien. Actor: The Man Who Shot Liberty Valance. Oscar-winner Edmond O'Brien was one of the most respected character actors in American cinema, from his heyday of the mid-1940s through the late 1960s. Born on September 10, 1915, in the New York City borough of Brooklyn, O'Brien learned the craft of performance as a magician, reportedly tutored by neighbor Harry Houdini. He took part in student theatrics in high school...