Simon Baker turned heads in a mere handful of minutes on-screen as the earnest, ill-fated aspiring actor in the neo-noir thriller “L.A. Confidential” (1997), and since became a deft specialist at rapier-edged TV heroes with distinct antiheroic tendencies, as well as a go-to hunk for smarmy lothario film roles. A native of Australia, once bound for stardom there, he had rarely been seen in his many U.S. roles speaking in anything but an American accent. And though his fortunes in Hollywood fluctuated, he maintained a funny, outspoken, unusually candid purview on the drawbacks and realities of