Scorsese gave his dear mum a cameo role in most of his movies right up to her death in 1997.

Here, she's the beautifully judged comic foil to the post-murder skulking of Tommy, Henry and Jimmy, discovering them like naughty schoolboys as they stumble around her kitchen looking for body-disposal implements.

She fixes up a typically Italian late-night banquet and, in a semi-improvised moment, brings out her latest watercolour for an insightful critique from Tommy ("I like this. One dog goes one way, one dog goes the other way and this guy's sayin', 'Whaddaya want from me?'")