James Gandolfini drunkenly vowed “every other day” to quit ‘The Sopranos’. The actor played mob boss Tony Soprano in the smash HBO mafia drama from 1999 to 2007 alongside stars including Edie Falco, 61, before he was killed by a heart attack aged 51 in 2013 after years of drug and alcohol issues that often caused havoc with the making of the show, created by 79-year-old David Chase. His co-star Steven Van Zandt, 73, who played Tony’s ‘consiglieri’ Silvio Dante on the HBO hit, has now opened up about how James struggled making the series. He says on new documentary ‘Wise Guy: David Chase and Th…