The making of a heavyweight: Scorsese and De Niro behind the scenes of Raging Bull – in pictures | Film

The award-winning biopic of Jake LaMotta was released 40 years ago. With these exclusive images, Jay Glennie, who interviewed the cast and crew for a new book, reveals secrets of the film’s shoot

• Raging Bull: The Making Of by Jay Glennie is published on 5 April by Coattail. Use code RBP10 to receive a discount