He was a screen icon who could transform a film. Co-stars and directors of the great actor, who died last week aged 88, recall his warmth, erudition – and love of filthy jokes

They made 24 often morally complex pictures before falling out of fashion. Now, as a monumental BFI retrospective kicks off, can their stricken pilots and posh ballerinas speak to our divided era?

Kevin Macdonald’s probing documentary about Whitney Houston tries to unearth the factors behind the star’s dramatic decline