MIDLAND actor Antonio Magro is ready to set sail on the TV debut of a lifetime When the new blockbuster series Titanic launches at 9pm on ITV1 on Sunday night hell be the stoker at the heart of the action As a character called Mario Sandrini the budding star from Kidderminster will be charged with shutting down the ships engines as the centenary of the sinking of the worlds most famous liner draws near Now 25 and 6ft 3in Antonio left Bromsgrove School because nobody would take his acting seriously