Robert Downey Jr

Robert Downey Jr

Robert Duvall did not remember working with Robert Downey Jr , according to his co-star in new movie 'The Judge'.

Speaking to Jimmy Fallon on 'The Tonight Show', Downey Jr explained Duvall "doesn't really recall" working on the same films, even though they've both appeared in 1989's 'The Gingerbread Man' and 2007's 'Lucky You'.

Downey Jr - who appears alongside Duvall for the third time in new comedy-drama 'The Judge' - said: "I've also gone up to him at restaurants and went, 'Mr Duvall, I just want to...' and he's like, 'What?' and then he didn't know who I was.

"He also said that his favourite movie of mine is Chaplin, even though he hasn't seen it!"

He added: "When you're Robert Duvall you can say that sort of stuff!"

'The Judge' - which was produced by Downey Jr, 49, and his wife Susan, 40 - is released in the US on October 10 and in the UK on October 17.

Meanwhile, Downey Jr revealed recently that he is in negotiations to play Iron Man again.

During an appearance on 'The Ellen DeGeneres Show', the award-winning actor was asked if there are plans for 'Iron Man 4', to which he replied: "I know there are going to be a bunch more Marvel movies and they have big ideas of how to do it best and [they're] in the middle of negotiation."